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https://css3test.com/

html css3test.com collected 2026-10-02 04:10:16 UTC 5,257 bytes, 103 lines download raw bytes

1<!DOCTYPE html>
2<html lang="en">
3<head>
4
5<meta charset="utf-8" />
6<title>The CSS3 Test</title>
7<link rel="stylesheet" href="style.css" />
8
9<script>var _gaq = [['_setAccount', 'UA-28874455-1'], ['_trackPageview'], ['_gat._anonymizeIp']];</script>
vendor: 1 bytes, line 9
9
10<script src="https://www.google-analytics.com/ga.js" async></script>
10
11
12</head>
13<body>
14
15<h1>The CSS3 test</h1>
16
17<div id="content">
18
19	<section id="tests">
20		<section class="caution">
21			<p>🤫 <em>Psst!</em>
22				We’re working on a new version of this site,
23				check it out at <a href="https://browserscore.dev">browserscore.dev ↗️</a>!
24			</p>
25		</section>
26		<div id="hgroup">
27			<h1>Your browser scores <strong id="score">0%</strong></h1>
28			<h2>Determined by passing <strong id="passedTests"></strong> tests out of <strong id="totalTests"></strong> total for <strong id="total"></strong> features</h2>
29		</div>
30
31		<section id="all"></section>
32	</section>
33
34	<aside>
35
36
37		<p>Time taken: <strong id="timeTaken"></strong></p>
38
39		<section>
40			
40<script async type="text/javascript" src="//cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=css3testcom" id="_carbonads_js"></script>
40
41		</section>
42
43		<section>
44			<h1>Filter:</h1>
45			<form>
46				<select id="filter">
47					<option value="" title="All specifications including experimental ones but without CSS 2.2">All except CSS 2.2</option>
48					<option value="all" title="All specifications including experimental ones">All</option>
49					<option value="stable" title="All specifications listed in the latest CSS snapshot, their predecessors and others that won't change much anymore">Stable</option>
50					<option value="experimental" title="All specifications not listed in the latest CSS snapshot">Experimental</option>
51					<optgroup label="Standardization groups">
52						<option value="csswg" title="All specifications managed by the CSS Working Group (CSSWG) except CSS Houdini">CSS</option>
53						<option value="houdini" title="All specifications related to CSS Houdini managed by the CSS Working Group (CSSWG)">CSS Houdini</option>
54						<option value="svgwg" title="All specifications managed by the SVG Working Group (SVGWG)">SVG</option>
55						<option value="whatwg" title="All specifications managed by the Web Hypertext Application Technology Working Group (WHATWG)">WHATWG</option>
56						<option value="others" title="All specifications managed by other standardization groups">Others</option>
57					</optgroup>
58					<optgroup label="CSS snapshots">
59						<option value="css2.2" title="Everything included in CSS 2.2">CSS 2.2</option>
60						<option value="css2007" title="All specifications marked as official part of the CSS 2007 snapshot">CSS 2007</option>
61						<option value="css2010" title="All specifications marked as official part of the CSS 2010 snapshot">CSS 2010</option>
62						<option value="css2015" title="All specifications marked as official part of the CSS 2015 snapshot">CSS 2015</option>
63						<option value="css2017" title="All specifications marked as official part of the CSS 2017 snapshot">CSS 2017</option>
64						<option value="css2018" title="All specifications marked as official part of the CSS 2018 snapshot">CSS 2018</option>
65						<option value="css2020" title="All specifications marked as official part of the CSS 2020 snapshot">CSS 2020</option>
66						<option value="css2021" title="All specifications marked as official part of the CSS 2021 snapshot">CSS 2021</option>
67						<option value="css2022" title="All specifications marked as official part of the CSS 2022 snapshot">CSS 2022</option>
68						<option value="css2023" title="All specifications marked as official part of the CSS 2023 snapshot">CSS 2023</option>
69						<option value="css2024" title="All specifications marked as official part of the CSS 2024 snapshot">CSS 2024</option>
70					</optgroup>
71				</select>
72			</form>
73		</section>
74
75		<section>
76			<h1>Specs tested:</h1>
77			<ul id="specsTested"></ul>
78			Want more tests? <a href="https://github.com/LeaVerou/css3test" target="_blank">Be my guest!</a>
79		</section>
80
81		<section class="caution">
82			<p><strong>Caution:</strong>
83			This test checks which CSS3 features the browser recognizes, <em>not</em> whether they are implemented correctly.</p>
84		</section>
85
86		<footer>
87			<p>
88				&#10047; Handcrafted by <a href="https://lea.verou.me">Lea Verou</a> and <a href="https://github.com/LeaVerou/css3test/graphs/contributors">friends</a>
89				&#10047; <a href="https://github.com/sponsors/LeaVerou">Sponsor</a>
90			</p>
91		</footer>
92	</aside>
93</div>
94
95<script src="https://cdnjs.cloudflare.com/ajax/libs/blissfuljs/1.0.3/bliss.js"></script>
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96<script src="supports.js"></script>
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97<script src="csstest.js" type="module"></script>
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98<script src="filter.js"></script>
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101
102</body>
103</html>

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