d3scene.com

d3scene.com is SSL secured

Free website and domain report on d3scene.com

Last Updated: 14th September, 2020 Update Now
Overview

Snoop Summary for d3scene.com

This is a free and comprehensive report about d3scene.com. D3scene.com has the potential to be earning an estimated $2 USD per day from advertising revenue. If d3scene.com was to be sold it would possibly be worth $1,131 USD (based on the daily revenue potential of the website over a 24 month period). D3scene.com receives an estimated 539 unique visitors every day - a decent amount of traffic! This report was last updated 14th September, 2020.

About d3scene.com

Site Preview: d3scene.com d3scene.com
Title: D3Scene
Description: D3Scene
Keywords and Tags: bulletin boards, forum, games
Related Terms:
Fav Icon:
Age: Over 17 years old
Domain Created: 5th February, 2007
Domain Updated: 13th December, 2019
Domain Expires: 5th February, 2021
Review

Snoop Score

2/5

Valuation

$1,131 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 1,048,752
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 539
Monthly Visitors: 16,405
Yearly Visitors: 196,735
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $2 USD
Monthly Revenue: $47 USD
Yearly Revenue: $561 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: d3scene.com 11
Domain Name: d3scene 7
Extension (TLD): com 3
Expiry Check:

Page Speed Analysis

Average Load Time: 2.12 seconds
Load Time Comparison: Faster than 41% of sites

PageSpeed Insights

Avg. (All Categories) 71
Performance 89
Accessibility 83
Best Practices 71
SEO 91
Progressive Web App 19
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://d3scene.com/forum/index.php
Updated: 14th September, 2020

1.39 seconds
First Contentful Paint (FCP)
64%
29%
7%

0.00 seconds
First Input Delay (FID)
100%
0%
0%

Simulate loading on desktop
89

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for d3scene.com. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 0.7 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 2.5 s
The time taken for the page to become fully interactive.
Total Blocking Time — 30 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.084
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First CPU Idle — 1.7 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 80 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 0.8 s
The time taken for the primary content of the page to be rendered.
Estimated Input Latency — 20 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive d3scene.com as laggy when the latency is higher than 0.05 seconds.
Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://d3scene.com/
0
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Font
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Font
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Font
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Stylesheet
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Image
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1082
0
204
image/gif
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1077.433
13.147
1091.648
5.037
1490.953
21.514
1513.116
20.683
1533.814
35.818
1569.873
14.94
1590.322
5.928
1596.843
23.764
1621.168
130.38
1752.081
39.601
1797.762
7.236
1806.611
14.662
1821.883
26.307
1848.204
8.631
1858.883
77.498
1936.394
8.474
1944.951
14.684
1959.742
20.631
1992.458
13.13
2009.461
5.026
2015.311
75.587
2094.114
17.844
2113.553
147.798
2269.287
7.134
2277.563
23.139
2301.848
8.605
2310.471
8.812
2326.596
17.516
2347.713
43.668
2404.547
8.351
2413.376
7.181
2441.917
8.368
2459.727
9.028
2485.615
26.833
2516.093
11.865
2530.749
11.701
2565.024
12.066
2594.327
11.847
2617.533
8.447
2641.451
15.733
2694.315
14.38
2718.961
6.476
2765.122
9.621
2820.36
14.472
2834.846
10.225
2865.079
12.176
2894.228
17.079
2921.91
11.552
2965.033
42.224
3008.27
6.775
3047.478
14.556
3068.839
6.534
3395.977
5.798
3467.122
7.095
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Properly size images — Potential savings of 4 KiB
Images can slow down the page's load time. D3scene.com should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/data/avatars/s/0/256.jpg?1588677549
5755
4316
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. D3scene.com should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. D3scene.com should consider minifying CSS files.
Minify JavaScript — Potential savings of 2 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. D3scene.com should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
inline: /** * Created by pedapav on 4/1/15...
8216
2513
Remove unused CSS — Potential savings of 55 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. D3scene.com should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59329
56526
Efficiently encode images — Potential savings of 4 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/data/avatars/s/0/256.jpg?1588677549
5755
4230
Serve images in next-gen formats — Potential savings of 10 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://i.imgur.com/hjSBu42.png
15718
10516
Enable text compression — Potential savings of 34 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
44874
35062
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 210 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://d3scene.com/forum/index.php
206.105
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. D3scene.com should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://d3scene.com/forum/js/vendor/vendor-compiled.js?_v=2fa0477f
55

Diagnostics

Avoids enormous network payloads — Total size was 914 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
170629
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
138601
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89868
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
77096
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59329
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
55468
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47760
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
45398
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
30731
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
28854
Avoid chaining critical requests — 11 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. D3scene.com should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.6 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://d3scene.com/forum/index.php
323.53
4.566
2.934
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
255.094
240.367
2.501
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
191.079
173.442
1.539
Unattributable
123.83
1.504
0.211
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
82.353
70.16
7.111
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
77.206
16.738
4.975
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
66.381
59.833
3.625
Minimizes main-thread work — 1.3 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
680.037
Style & Layout
236.807
Other
166.455
Rendering
116.477
Parse HTML & CSS
56.327
Script Parsing & Compilation
50.065
Garbage Collection
18.906
Keep request counts low and transfer sizes small — 55 requests • 914 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
55
935832
Font
3
386326
Script
16
319865
Image
24
82160
Document
5
72732
Stylesheet
2
64665
Other
5
10084
Media
0
0
Third-party
23
305288
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
202416
0
23321
0
17880
0
16273
0
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.037826755366299
0.021934503397532
0.012127048130607
0.0032659627998467
0.0027953025419673
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoid long main-thread tasks — 3 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
1340
76
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
3175
74
https://d3scene.com/forum/index.php
552
65
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Avoids large JavaScript libraries with smaller alternatives — 0 large libraries found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

Speed Index — 1.8 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 1.4 s
The timing of the largest text or image that is painted.

Opportunities

Eliminate render-blocking resources — Potential savings of 260 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. D3scene.com should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59329
190
https://d3scene.com/forum/css.php?css=public%3AEWRporta.less%2Cpublic%3Aattachments.less%2Cpublic%3Adbtech_donate_display_block.less%2Cpublic%3Anode_list.less%2Cpublic%3Anotices.less%2Cpublic%3Ashare_controls.less%2Cpublic%3Astructured_list.less%2Cpublic%3Aextra.less&s=1&l=1&d=1598818853&k=23bf6e550cce023f62f61e31cbb5a1adeae03a5b
5336
150
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
2134
150
Remove unused JavaScript — Potential savings of 148 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89868
53761
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
55468
40003
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
43830
32261
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47760
26029
Avoid multiple page redirects — Potential savings of 410 ms
Redirects can cause additional delays before the page can begin loading. D3scene.com should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://d3scene.com/
190
http://d3scene.com/forum/
70
https://d3scene.com/forum/
150
https://d3scene.com/forum/index.php
0

Diagnostics

Serve static assets with an efficient cache policy — 34 resources found
D3scene.com can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://aax-us-east.amazon-adsystem.com/x/getad?src=330&c=100&sz=468x60&apiVersion=2.0&pj=%7B%22campaigns%22%3A%22computers_accesories%22%2C%22height%22%3A%2260%22%2C%22banner_type%22%3A%22category%22%2C%22placement%22%3A%22assoc_banner_placement_default%22%2C%22tracking_id%22%3A%22d3scene06-20%22%2C%22p%22%3A%2226%22%2C%22width%22%3A%22468%22%2C%22isresponsive%22%3A%22false%22%2C%22ad_type%22%3A%22banners%22%2C%22marketplace%22%3A%22amazon%22%2C%22region%22%3A%22US%22%2C%22linkid%22%3A%22956513aba2222f480a1f931c6b618da7%22%2C%22banner_id%22%3A%2212CKQQKWNWBNQ20V9X02%22%2C%22viewerCountry%22%3A%22US%22%2C%22textlinks%22%3A%22%22%2C%22debug%22%3A%22false%22%2C%22acap_publisherId%22%3A%22d3scene06-20%22%2C%22slotNum%22%3A0%7D&u=https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php&jscb=amzn_assoc_jsonp_callback_assoc_banner_placement_default_0
0
13287
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/?cb=1600083564584&p=%7B%22program%22%3A%221%22%2C%22tag%22%3A%22d3scene06-20%22%2C%22linkCode%22%3A%22w20%22%2C%22refUrl%22%3A%22https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php%22%2C%22panda%22%3Atrue%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/?cb=1600083564882&p=%7B%22program%22%3A%221%22%2C%22tag%22%3A%22d3scene06-20%22%2C%22linkCode%22%3A%22ur1%22%2C%22refUrl%22%3A%22https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php%22%2C%22panda%22%3Atrue%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/r/json?cb=1600083564584&logType=banner_impressions&p=%7B%22mobile_supported%22%3A%22true%22%2C%22action%22%3A%22onload%22%2C%22adunit_type%22%3A%22banners%22%2C%22adunit_properties%22%3A%7B%22height%22%3A%22%24%7Bheight%7D%22%2C%22width%22%3A%22%24%7Bwidth%7D%22%2C%22category%22%3A%22computers_accesories%22%2C%22marketplace%22%3A%22amazon%22%2C%22link_id%22%3A%22956513aba2222f480a1f931c6b618da7%22%2C%22region%22%3A%22US%22%2C%22link_code%22%3A%22w20%22%7D%2C%22logType%22%3A%22banner_impressions%22%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/r/json?cb=1600083564882&logType=banner_impressions&p=%7B%22mobile_supported%22%3A%22true%22%2C%22action%22%3A%22onload%22%2C%22adunit_type%22%3A%22banners%22%2C%22adunit_properties%22%3A%7B%22height%22%3A%22%24%7Bheight%7D%22%2C%22width%22%3A%22%24%7Bwidth%7D%22%2C%22category%22%3A%22%24%7Bcampaigns%7D%22%2C%22marketplace%22%3A%22amazon%22%2C%22link_id%22%3A%22%24%7Blinkid%7D%22%2C%22region%22%3A%22US%22%7D%2C%22logType%22%3A%22banner_impressions%22%7D
0
200
https://images-na.ssl-images-amazon.com/images/G/01/associates/2008/banners/comp_associates-dpc_468x60.gif
86400000
8940
https://images-na.ssl-images-amazon.com/images/G/01/associates/2008/banners/comp_associates-dpc_468x60.gif
86400000
8940
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
86400000
8462
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
604800000
170629
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
604800000
138601
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
604800000
77096
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
604800000
55468
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
604800000
30731
https://d3scene.com/forum/js/vendor/vendor-compiled.js?_v=2fa0477f
604800000
21664
https://d3scene.com/forum/data/avatars/s/0/256.jpg?1588677549
604800000
6360
https://d3scene.com/forum/data/avatars/s/0/10.jpg?1587826797
604800000
6026
https://d3scene.com/forum/data/avatars/s/0/130.jpg?1588180401
604800000
5638
https://d3scene.com/forum/data/avatars/s/0/3.jpg?1586400776
604800000
3681
https://d3scene.com/forum/js/DBTech/Donate/3rdParty/jquery.countdown.min.js?_v=2fa0477f
604800000
2863
https://d3scene.com/forum/data/avatars/s/3/3077.jpg?1599260697
604800000
2820
https://d3scene.com/forum/data/avatars/s/0/134.jpg?1588205930
604800000
2525
https://d3scene.com/forum/data/avatars/s/2/2084.jpg?1595526479
604800000
2338
https://d3scene.com/forum/data/avatars/s/0/710.jpg?1590558709
604800000
2306
https://d3scene.com/forum/js/xf/notice.min.js?_v=2fa0477f
604800000
2283
https://d3scene.com/forum/data/avatars/s/0/463.jpg?1589630170
604800000
2254
https://d3scene.com/forum/data/avatars/s/0/353.jpg?1592894432
604800000
2241
https://d3scene.com/forum/data/avatars/s/0/6.jpg?1586923180
604800000
2200
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
604800000
2134
https://d3scene.com/forum/data/avatars/s/0/1.jpg?1586482732
604800000
2117
https://d3scene.com/forum/data/avatars/s/0/420.jpg?1589402165
604800000
1963
https://d3scene.com/forum/data/avatars/s/0/158.jpg?1589728492
604800000
1933
https://d3scene.com/forum/data/avatars/s/3/3432.jpg?1598963434
604800000
1478
https://d3scene.com/forum/js/DBTech/Donate/countdown.min.js?_v=2fa0477f
604800000
1035
https://d3scene.com/forum/js/DBTech/Donate/progress.min.js?_v=2fa0477f
604800000
945
Avoid an excessive DOM size — 1,266 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,266
Maximum DOM Depth
22
Maximum Child Elements
16

Diagnostics

Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
578.31800007261
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
416.74900008366
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
430.29300007038
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
line: 0
83

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of d3scene.com. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
D3scene.com may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
D3scene.com may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
71

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that d3scene.com should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
3.4.1
Mustache
2.2.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.

Audits

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://d3scene.com/
http://d3scene.com/forum/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 2 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
2
Medium

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
91

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for d3scene.com. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of d3scene.com on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
19

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of d3scene.com. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of d3scene.com on mobile screens.
Contains some content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive on simulated mobile network at 10.4 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://d3scene.com/
http://d3scene.com/forum/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 57
Performance 41
Accessibility 77
Best Practices 64
SEO 82
Progressive Web App 21
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
Simulate loading on mobile
41

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for d3scene.com. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Properly size images
Images can slow down the page's load time. D3scene.com should consider serving more appropriate-sized images.
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. D3scene.com should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. D3scene.com should consider minifying CSS files.
Minify JavaScript — Potential savings of 2 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. D3scene.com should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
inline: /** * Created by pedapav on 4/1/15...
8214
2512
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 190 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://d3scene.com/forum/index.php
193.071
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. D3scene.com should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://d3scene.com/forum/js/vendor/vendor-compiled.js?_v=2fa0477f
55

Diagnostics

Avoids enormous network payloads — Total size was 960 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
170629
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
138601
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89643
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
77096
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59278
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
55468
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47473
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
45398
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
30731
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
28717
Avoid chaining critical requests — 11 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. D3scene.com should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Keep request counts low and transfer sizes small — 58 requests • 960 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
58
983353
Font
3
386326
Script
16
319281
Image
27
130348
Document
5
72729
Stylesheet
2
64614
Other
5
10055
Media
0
0
Third-party
23
304760
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.032339518623425
0.02679647899541
0.018775308322977
0.0082036378580402
0.0051842614072025
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoid long main-thread tasks — 19 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
11271
261
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
3450
197
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
7247
171
https://d3scene.com/forum/index.php
4530
146
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
5430
120
https://pagead2.googlesyndication.com/bg/w3uW36kZ3iEz52fjwmSMTfWAeiBMgQCjgDc5TerGjFY.js
6780
103
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
6682
98
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
10050
92
https://d3scene.com/forum/index.php
1736
76
https://aax-us-east.amazon-adsystem.com/x/getad?src=330&c=100&sz=468x60&apiVersion=2.0&pj=%7B%22campaigns%22%3A%22computers_accesories%22%2C%22height%22%3A%2260%22%2C%22banner_type%22%3A%22category%22%2C%22placement%22%3A%22assoc_banner_placement_default%22%2C%22tracking_id%22%3A%22d3scene06-20%22%2C%22p%22%3A%2226%22%2C%22width%22%3A%22468%22%2C%22isresponsive%22%3A%22false%22%2C%22ad_type%22%3A%22banners%22%2C%22marketplace%22%3A%22amazon%22%2C%22region%22%3A%22US%22%2C%22linkid%22%3A%22956513aba2222f480a1f931c6b618da7%22%2C%22banner_id%22%3A%2212CKQQKWNWBNQ20V9X02%22%2C%22viewerCountry%22%3A%22US%22%2C%22textlinks%22%3A%22%22%2C%22debug%22%3A%22false%22%2C%22acap_publisherId%22%3A%22d3scene06-20%22%2C%22slotNum%22%3A0%7D&u=https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php&jscb=amzn_assoc_jsonp_callback_assoc_banner_placement_default_0
3647
75
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
3300
72
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
2550
70
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
6985
59
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
8850
56
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
7044
56
Unattributable
1681
55
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
6883
52
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
7195
52
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
6935
50
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Avoids large JavaScript libraries with smaller alternatives — 0 large libraries found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://d3scene.com/
0
139.50200000545
511
0
301
text/html
http://d3scene.com/forum/
140.21400001366
276.59600001061
395
0
301
text/html
https://d3scene.com/forum/
277.24399999715
418.62199999741
723
0
301
text/html
https://d3scene.com/forum/index.php
419.3620000151
611.43600000651
14869
102039
200
text/html
Document
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
630.56400002097
1080.4240000143
170629
170020
200
font/woff2
Font
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
630.95799999428
1105.4970000114
138601
137992
200
font/woff2
Font
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
631.45899999654
792.86000001593
77096
76500
200
font/woff2
Font
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
637.56699999794
831.40900000581
59278
381810
200
text/css
Stylesheet
https://d3scene.com/forum/css.php?css=public%3AEWRporta.less%2Cpublic%3Aattachments.less%2Cpublic%3Adbtech_donate_display_block.less%2Cpublic%3Anode_list.less%2Cpublic%3Anotices.less%2Cpublic%3Ashare_controls.less%2Cpublic%3Astructured_list.less%2Cpublic%3Aextra.less&s=1&l=1&d=1598818853&k=23bf6e550cce023f62f61e31cbb5a1adeae03a5b
637.88200000999
783.5920000216
5336
26695
200
text/css
Stylesheet
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
638.43400002224
943.11900000321
2134
3351
200
application/x-javascript
Script
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
969.74600001704
989.19500000193
47473
132699
200
text/javascript
Script
https://i.imgur.com/hjSBu42.png
969.91800001706
994.09399999422
16273
15718
200
image/png
Image
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
967.70999999717
986.39999999432
8462
24468
200
application/javascript
Script
https://d3scene.com/forum/data/avatars/m/3/3432.jpg?1598963434
970.08100000676
1232.0260000124
1833
1240
200
image/jpeg
Image
https://d3scene.com/forum/data/avatars/m/0/353.jpg?1592894432
970.21600001608
1106.1210000189
4291
3698
200
image/jpeg
Image
https://d3scene.com/forum/data/avatars/s/0/353.jpg?1592894432
970.36900001694
1114.0909999958
2241
1648
200
image/jpeg
Image
https://d3scene.com/forum/data/avatars/m/0/420.jpg?1589402165
970.6700000097
1114.5640000177
4805
4211
200
image/jpeg
Image
https://d3scene.com/forum/data/avatars/s/0/420.jpg?1589402165
970.86000000127
1075.3630000108
1963
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
641.121
10.659
654.223
7.06
667.1
5.417
859.567
17.981
970.515
28.075
998.606
21.878
1025.275
17.426
1043.486
49.247
1092.97
73.174
1166.618
7.859
1189.224
7.602
1197.603
13.763
1212.425
10.864
1224.021
23.019
1247.098
37.99
1286.515
18.638
1313.327
59.755
1374.67
5.5
1381.712
6.507
1388.536
23.635
1419.501
10.026
1432.758
5.197
1441.033
130.463
1571.724
48.878
1623.917
13.282
1637.213
8.761
1655.315
10.434
1665.888
10.221
1699.881
7.818
1717.553
8.183
1743.159
25.797
1783.517
11.758
1799.723
11.911
1813.275
11.735
1828.749
8.008
1837.653
13.018
1870.528
12.526
1912.65
6.84
1978.977
14.742
1994.732
14.089
2012.589
11.761
2031.435
12.084
2080.066
12.982
2093.99
42.675
2138.094
6.091
2166.13
11.941
2187.116
5.149
2192.278
12.308
2213.49
6.045
2588.991
6.631
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Metrics

First Contentful Paint — 2.5 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 5.5 s
The time taken for the page contents to be visibly populated.
Cumulative Layout Shift — 0.106
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First Meaningful Paint — 3.6 s
The time taken for the primary content of the page to be rendered.
Estimated Input Latency — 60 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive d3scene.com as laggy when the latency is higher than 0.05 seconds.
First Contentful Paint (3G) — 4766 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Remove unused CSS — Potential savings of 56 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. D3scene.com should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59278
56913
Efficiently encode images — Potential savings of 31 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/data/avatars/m/0/130.jpg?1588180401
18049
14407
https://d3scene.com/forum/data/avatars/m/0/10.jpg?1587826797
18375
12928
https://d3scene.com/forum/data/avatars/s/0/256.jpg?1588677549
5755
4230
Serve images in next-gen formats — Potential savings of 40 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://d3scene.com/forum/data/avatars/m/0/130.jpg?1588180401
18049
16049
https://d3scene.com/forum/data/avatars/m/0/10.jpg?1587826797
18375
14833
https://i.imgur.com/hjSBu42.png
15718
10516
Enable text compression — Potential savings of 34 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
44874
35062

Diagnostics

Serve static assets with an efficient cache policy — 37 resources found
D3scene.com can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
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0
13302
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/?cb=1600083583731&p=%7B%22program%22%3A%221%22%2C%22tag%22%3A%22d3scene06-20%22%2C%22linkCode%22%3A%22w20%22%2C%22refUrl%22%3A%22https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php%22%2C%22panda%22%3Atrue%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/?cb=1600083583814&p=%7B%22program%22%3A%221%22%2C%22tag%22%3A%22d3scene06-20%22%2C%22linkCode%22%3A%22ur1%22%2C%22refUrl%22%3A%22https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php%22%2C%22panda%22%3Atrue%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/r/json?cb=1600083583731&logType=banner_impressions&p=%7B%22mobile_supported%22%3A%22true%22%2C%22action%22%3A%22onload%22%2C%22adunit_type%22%3A%22banners%22%2C%22adunit_properties%22%3A%7B%22height%22%3A%22%24%7Bheight%7D%22%2C%22width%22%3A%22%24%7Bwidth%7D%22%2C%22category%22%3A%22computers_accesories%22%2C%22marketplace%22%3A%22amazon%22%2C%22link_id%22%3A%22956513aba2222f480a1f931c6b618da7%22%2C%22region%22%3A%22US%22%2C%22link_code%22%3A%22w20%22%7D%2C%22logType%22%3A%22banner_impressions%22%7D
0
200
https://fls-na.amazon-adsystem.com/1/associates-ads/1/OP/r/json?cb=1600083583814&logType=banner_impressions&p=%7B%22mobile_supported%22%3A%22true%22%2C%22action%22%3A%22onload%22%2C%22adunit_type%22%3A%22banners%22%2C%22adunit_properties%22%3A%7B%22height%22%3A%22%24%7Bheight%7D%22%2C%22width%22%3A%22%24%7Bwidth%7D%22%2C%22category%22%3A%22%24%7Bcampaigns%7D%22%2C%22marketplace%22%3A%22amazon%22%2C%22link_id%22%3A%22%24%7Blinkid%7D%22%2C%22region%22%3A%22US%22%7D%2C%22logType%22%3A%22banner_impressions%22%7D
0
200
https://images-na.ssl-images-amazon.com/images/G/01/associates/2008/banners/comp_associates-dpc_468x60.gif
86400000
8976
https://images-na.ssl-images-amazon.com/images/G/01/associates/2008/banners/comp_associates-dpc_468x60.gif
86400000
8940
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
86400000
8462
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
604800000
170629
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
604800000
138601
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
604800000
77096
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
604800000
55468
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
604800000
30731
https://d3scene.com/forum/js/vendor/vendor-compiled.js?_v=2fa0477f
604800000
21664
https://d3scene.com/forum/data/avatars/m/0/10.jpg?1587826797
604800000
18970
https://d3scene.com/forum/data/avatars/m/0/130.jpg?1588180401
604800000
18644
https://d3scene.com/forum/data/avatars/s/0/256.jpg?1588677549
604800000
6360
https://d3scene.com/forum/data/avatars/m/3/3077.jpg?1599260697
604800000
6195
https://d3scene.com/forum/data/avatars/m/0/134.jpg?1588205930
604800000
5071
https://d3scene.com/forum/data/avatars/m/0/420.jpg?1589402165
604800000
4805
https://d3scene.com/forum/data/avatars/m/0/463.jpg?1589630170
604800000
4745
https://d3scene.com/forum/data/avatars/m/0/1.jpg?1586482732
604800000
4339
https://d3scene.com/forum/data/avatars/m/0/353.jpg?1592894432
604800000
4291
https://d3scene.com/forum/data/avatars/s/0/3.jpg?1586400776
604800000
3681
https://d3scene.com/forum/js/DBTech/Donate/3rdParty/jquery.countdown.min.js?_v=2fa0477f
604800000
2863
https://d3scene.com/forum/data/avatars/s/2/2084.jpg?1595526479
604800000
2338
https://d3scene.com/forum/data/avatars/s/0/710.jpg?1590558709
604800000
2306
https://d3scene.com/forum/js/xf/notice.min.js?_v=2fa0477f
604800000
2283
https://d3scene.com/forum/data/avatars/s/0/353.jpg?1592894432
604800000
2241
https://d3scene.com/forum/data/avatars/s/0/6.jpg?1586923180
604800000
2200
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
604800000
2134
https://d3scene.com/forum/data/avatars/s/0/1.jpg?1586482732
604800000
2117
https://d3scene.com/forum/data/avatars/s/0/420.jpg?1589402165
604800000
1963
https://d3scene.com/forum/data/avatars/s/0/158.jpg?1589728492
604800000
1933
https://d3scene.com/forum/data/avatars/m/3/3432.jpg?1598963434
604800000
1833
https://d3scene.com/forum/js/DBTech/Donate/countdown.min.js?_v=2fa0477f
604800000
1035
https://d3scene.com/forum/js/DBTech/Donate/progress.min.js?_v=2fa0477f
604800000
945
Avoid an excessive DOM size — 1,266 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,266
Maximum DOM Depth
22
Maximum Child Elements
16
Reduce JavaScript execution time — 2.5 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
960.472
904.94
10.764
https://d3scene.com/forum/index.php
902
15.7
6.908
https://d3scene.com/forum/js/vendor/jquery/jquery-3.4.1.min.js?_v=2fa0477f
665.624
583.096
6.216
Unattributable
469.932
5.2
0.7
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
276.496
230.976
14.468
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
264.064
202.244
24.316
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
197.188
125.516
15.544
https://pagead2.googlesyndication.com/bg/w3uW36kZ3iEz52fjwmSMTfWAeiBMgQCjgDc5TerGjFY.js
99.36
90.036
8.068
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
90.26
22.736
2.712
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
87.344
55.448
17.832
https://aax-us-east.amazon-adsystem.com/x/getad?src=330&c=100&sz=468x60&apiVersion=2.0&pj=%7B%22campaigns%22%3A%22computers_accesories%22%2C%22height%22%3A%2260%22%2C%22banner_type%22%3A%22category%22%2C%22placement%22%3A%22assoc_banner_placement_default%22%2C%22tracking_id%22%3A%22d3scene06-20%22%2C%22p%22%3A%2226%22%2C%22width%22%3A%22468%22%2C%22isresponsive%22%3A%22false%22%2C%22ad_type%22%3A%22banners%22%2C%22marketplace%22%3A%22amazon%22%2C%22region%22%3A%22US%22%2C%22linkid%22%3A%22956513aba2222f480a1f931c6b618da7%22%2C%22banner_id%22%3A%2212CKQQKWNWBNQ20V9X02%22%2C%22viewerCountry%22%3A%22US%22%2C%22textlinks%22%3A%22%22%2C%22debug%22%3A%22false%22%2C%22acap_publisherId%22%3A%22d3scene06-20%22%2C%22slotNum%22%3A0%7D&u=https%3A%2F%2Fd3scene.com%2Fforum%2Findex.php&jscb=amzn_assoc_jsonp_callback_assoc_banner_placement_default_0
74.052
42.836
21.264
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
71.924
0
0
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
62.132
19.108
13.3
https://tpc.googlesyndication.com/sodar/sodar2.js
59.444
49.744
6.276

Metrics

Largest Contentful Paint — 6.3 s
The timing of the largest text or image that is painted.
Time to Interactive — 10.2 s
The time taken for the page to become fully interactive.
Total Blocking Time — 760 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

First CPU Idle — 8.9 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 260 ms
Users could experience a delay when interacting with the page.

Opportunities

Eliminate render-blocking resources — Potential savings of 880 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. D3scene.com should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://d3scene.com/forum/css.php?css=public%3Anormalize.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less&s=1&l=1&d=1598818853&k=fbf23e26fb3987a3b7f54b917492963a0a59c0fc
59278
480
https://d3scene.com/forum/css.php?css=public%3AEWRporta.less%2Cpublic%3Aattachments.less%2Cpublic%3Adbtech_donate_display_block.less%2Cpublic%3Anode_list.less%2Cpublic%3Anotices.less%2Cpublic%3Ashare_controls.less%2Cpublic%3Astructured_list.less%2Cpublic%3Aextra.less&s=1&l=1&d=1598818853&k=23bf6e550cce023f62f61e31cbb5a1adeae03a5b
5336
180
https://d3scene.com/forum/js/xf/preamble.min.js?_v=2fa0477f
2134
180
Remove unused JavaScript — Potential savings of 148 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89643
53627
https://d3scene.com/forum/js/xf/core-compiled.js?_v=2fa0477f
55468
40016
https://ws-na.assoc-amazon.com/widgets/cm?o=1&p=26&l=ur1&category=computers_accesories&banner=12CKQQKWNWBNQ20V9X02&f=ifr&linkID=3ed5c940df5e78cbb4bec173b3f449d3&t=d3scene06-20&tracking_id=d3scene06-20
43830
32261
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47473
25829
Avoid multiple page redirects — Potential savings of 1,290 ms
Redirects can cause additional delays before the page can begin loading. D3scene.com should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://d3scene.com/
630
http://d3scene.com/forum/
180
https://d3scene.com/forum/
480
https://d3scene.com/forum/index.php
0

Diagnostics

Minimize main-thread work — 4.5 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
2421.784
Style & Layout
688.82
Other
600.836
Rendering
283.78
Parse HTML & CSS
191.976
Script Parsing & Compilation
181.54
Garbage Collection
89.608
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://d3scene.com/forum/styles/fonts/fa/fa-regular-400.woff2?_v=5.12.1
449.85999999335
https://d3scene.com/forum/styles/fonts/fa/fa-solid-900.woff2?_v=5.12.1
474.5390000171
https://d3scene.com/forum/styles/fonts/fa/fa-brands-400.woff2?_v=5.12.1
161.4010000194
Reduce the impact of third-party code — Third-party code blocked the main thread for 360 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
201837
364.536
23336
0
17916
0
16273
0
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://z-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&Operation=GetScript&ID=OneJS&WS=1
line: 0
77

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of d3scene.com. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Names and labels

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
D3scene.com may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
D3scene.com may provide relevant information that dialogue cannot, by using audio descriptions.

Names and labels

Buttons do not have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Failing Elements
a
`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Contrast

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
64

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that d3scene.com should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
3.4.1
Mustache
2.2.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.

Audits

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://d3scene.com/
http://d3scene.com/forum/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 2 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
2
Medium

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://images-na.ssl-images-amazon.com/images/G/01/associates/2008/banners/comp_associates-dpc_468x60.gif
340 x 44
468 x 60
893 x 116

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
82

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for d3scene.com. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of d3scene.com on mobile screens.
Document uses legible font sizes — 94.03% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
.p-footer-copyright
5.40%
11px
.label
0.27%
10.4px
.p-footer-rssLink>span
0.27%
10.4px
sub, sup
0.03%
8.25px
94.03%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
21

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of d3scene.com. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of d3scene.com on mobile screens.
Contains some content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive at 10.2 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://d3scene.com/
http://d3scene.com/forum/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 172.67.195.71
Continent:
Country:
Region:
City:
Longitude:
Latitude:
Currencies:
Languages:

Web Hosting Provider

Name IP Address
Cloudflare, Inc.
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
GoDaddy.com, LLC 104.90.68.148
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating: 4.5/5 (12 reviews)
WOT Trustworthiness: 89/100
WOT Child Safety: 90/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: sni.cloudflaressl.com
Issued By: Cloudflare Inc ECC CA-3
Valid From: 29th July, 2020
Valid To: 29th July, 2021
Subject: CN = sni.cloudflaressl.com
O = Cloudflare, Inc.
L = San Francisco
S = US
Hash: 4d04c09a
Issuer: CN = Cloudflare Inc ECC CA-3
O = Cloudflare, Inc.
S = US
Version: 2
Serial Number: 19333996797586676477951211519925809984
Serial Number (Hex): 0E8B97A371CE05C06604E0390543F340
Valid From: 29th July, 2024
Valid To: 29th July, 2024
Signature Algorithm (Short Name): ecdsa-with-SHA256
Signature Algorithm (Long Name): ecdsa-with-SHA256
Authority Key Identifier: keyid:A5:CE:37:EA:EB:B0:75:0E:94:67:88:B4:45:FA:D9:24:10:87:96:1F
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/CloudflareIncECCCA-3.crl

Full Name:
URI:http://crl4.digicert.com/CloudflareIncECCCA-3.crl

Certificate Policies: Policy: 2.16.840.1.114412.1.1
CPS: https://www.digicert.com/CPS
Policy: 2.23.140.1.2.2

Authority Information Access: OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/CloudflareIncECCCA-3.crt

SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
Timestamp : Jul 29 14:37:36.190 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:D9:1C:67:E2:32:BF:80:4B:B5:BB:DC:
AF:A6:DB:D3:CA:5D:D1:B1:38:E6:E2:DF:F4:B2:2C:80:
4B:2D:F1:52:03:02:20:2A:1B:0A:51:78:81:9B:88:D7:
F1:60:28:9A:7C:53:6C:F4:7B:B8:55:AF:BD:5C:FE:CD:
63:B3:33:AA:9A:03:F3
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
Timestamp : Jul 29 14:37:36.236 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:B8:3D:34:38:3F:B3:D3:16:1B:8D:87:
ED:1D:CE:EF:35:01:28:3B:A9:99:56:78:BD:7C:3F:2F:
F3:79:A7:05:96:02:20:0D:D0:A5:BF:C4:65:A3:CA:63:
0B:82:00:B6:A0:C0:C3:CF:23:8D:C7:61:62:38:44:2D:
FF:93:44:51:CC:E3:1F
Key Usage: Digital Signature
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:sni.cloudflaressl.com
DNS:d3scene.com
Technical

DNS Lookup

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Date: 14th September, 2020
Content-Type: text/html; charset=utf-8
Expires: 19th November, 1981
Cache-Control: private, no-cache, max-age=0
Server: cloudflare
Connection: keep-alive
Set-Cookie: *
X-Powered-By: PHP/7.3.20
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Last-Modified: 14th September, 2020
Vary: Accept-Encoding
X-Turbo-Charged-By: LiteSpeed
CF-Cache-Status: DYNAMIC
cf-request-id: 052e0279e50000e7648facd200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
CF-RAY: 5d29d36fd976e764-EWR

Whois Lookup

Created: 5th February, 2007
Changed: 13th December, 2019
Expires: 5th February, 2021
Registrar: GoDaddy.com, LLC
Status: clientTransferProhibited
clientUpdateProhibited
clientRenewProhibited
clientDeleteProhibited
Nameservers: ns1.dns-parking.com
ns2.dns-parking.com
Owner Name: Registration Private
Owner Organization: Domains By Proxy, LLC
Owner Street: DomainsByProxy.com
14455 N. Hayden Road
Owner Post Code: 85260
Owner City: Scottsdale
Owner State: Arizona
Owner Country: US
Owner Phone: +1.4806242599
Owner Email: d3scene.com@domainsbyproxy.com
Admin Name: Registration Private
Admin Organization: Domains By Proxy, LLC
Admin Street: DomainsByProxy.com
14455 N. Hayden Road
Admin Post Code: 85260
Admin City: Scottsdale
Admin State: Arizona
Admin Country: US
Admin Phone: +1.4806242599
Admin Email: d3scene.com@domainsbyproxy.com
Tech Name: Registration Private
Tech Organization: Domains By Proxy, LLC
Tech Street: DomainsByProxy.com
14455 N. Hayden Road
Tech Post Code: 85260
Tech City: Scottsdale
Tech State: Arizona
Tech Country: US
Tech Phone: +1.4806242599
Tech Email: d3scene.com@domainsbyproxy.com
Full Whois: Domain Name: d3scene.com
Registry Domain ID: 795122329_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2019-12-13T05:46:02Z
Creation Date: 2007-02-05T01:55:31Z
Registrar Registration Expiration Date: 2021-02-05T01:55:31Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientTransferProhibited http://www.icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited http://www.icann.org/epp#clientUpdateProhibited
Domain Status: clientRenewProhibited http://www.icann.org/epp#clientRenewProhibited
Domain Status: clientDeleteProhibited http://www.icann.org/epp#clientDeleteProhibited
Registry Registrant ID: Not Available From Registry
Registrant Name: Registration Private
Registrant Organization: Domains By Proxy, LLC
Registrant Street: DomainsByProxy.com
Registrant Street: 14455 N. Hayden Road
Registrant City: Scottsdale
Registrant State/Province: Arizona
Registrant Postal Code: 85260
Registrant Country: US
Registrant Phone: +1.4806242599
Registrant Phone Ext:
Registrant Fax: +1.4806242598
Registrant Fax Ext:
Registrant Email: d3scene.com@domainsbyproxy.com
Registry Admin ID: Not Available From Registry
Admin Name: Registration Private
Admin Organization: Domains By Proxy, LLC
Admin Street: DomainsByProxy.com
Admin Street: 14455 N. Hayden Road
Admin City: Scottsdale
Admin State/Province: Arizona
Admin Postal Code: 85260
Admin Country: US
Admin Phone: +1.4806242599
Admin Phone Ext:
Admin Fax: +1.4806242598
Admin Fax Ext:
Admin Email: d3scene.com@domainsbyproxy.com
Registry Tech ID: Not Available From Registry
Tech Name: Registration Private
Tech Organization: Domains By Proxy, LLC
Tech Street: DomainsByProxy.com
Tech Street: 14455 N. Hayden Road
Tech City: Scottsdale
Tech State/Province: Arizona
Tech Postal Code: 85260
Tech Country: US
Tech Phone: +1.4806242599
Tech Phone Ext:
Tech Fax: +1.4806242598
Tech Fax Ext:
Tech Email: d3scene.com@domainsbyproxy.com
Name Server: NS1.DNS-PARKING.COM
Name Server: NS2.DNS-PARKING.COM
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2020-09-14T11:00:00Z <<<

For more information on Whois status codes, please visit https://www.icann.org/resources/pages/epp-status-codes-2014-06-16-en

TERMS OF USE: The data contained in this registrar's Whois database, while believed by the
registrar to be reliable, is provided "as is" with no guarantee or warranties regarding its
accuracy. This information is provided for the sole purpose of assisting you in obtaining
information about domain name registration records. Any use of this data for any other purpose
is expressly forbidden without the prior written permission of this registrar. By submitting
an inquiry, you agree to these terms and limitations of warranty. In particular, you agree not
to use this data to allow, enable, or otherwise support the dissemination or collection of this
data, in part or in its entirety, for any purpose, such as transmission by e-mail, telephone,
postal mail, facsimile or other means of mass unsolicited, commercial advertising or solicitations
of any kind, including spam. You further agree not to use this data to enable high volume, automated
or robotic electronic processes designed to collect or compile this data for any purpose, including
mining this data for your own personal or commercial purposes. Failure to comply with these terms
may result in termination of access to the Whois database. These terms may be subject to modification
at any time without notice.

Nameservers

Name IP Address
ns1.dns-parking.com 162.159.24.201
ns2.dns-parking.com 162.159.25.42
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