February 2026
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Global Rank
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Country Rank
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Category Rank
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Bounce Rate
37.57%
Pages per Visit
3.53
Avg Visit Duration
00:03:51
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- Industry
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Top 10 validator.w3.org Competitors
The Top 10 Sites Like validator.w3.org in February 2026 are ranked by their affinity to validator.w3.org in terms of keyword traffic, audience targeting, and market overlap
- Company
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- Industry
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Global Rank
#1,290,678
80,003Bounce Rate
37.32%
Pages per Visit
1.88
Avg Visit Duration
00:00:50
Similarity Score
100%- Company
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Global Rank
#12,005
8,035Bounce Rate
39.76%
Pages per Visit
3.68
Avg Visit Duration
00:04:15
Similarity Score
89%Secure Markdown Formatter. It free and easy to use and formatter and Markdown Beautifier also Support Markdown File and URL.
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Global Rank
#24,319
4,053Bounce Rate
69.4%
Pages per Visit
1.62
Avg Visit Duration
00:01:16
Similarity Score
82%free online tools for developers, including formatters (json, xml, html, sql, etc.), minifiers (javascript, css), validators, compactors and many more!
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Global Rank
#84,062
3,828Bounce Rate
38.29%
Pages per Visit
2.18
Avg Visit Duration
00:01:45
Similarity Score
79%jshint, a javascript code quality tool
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Global Rank
#1,495,288
223,412Bounce Rate
41.11%
Pages per Visit
1.36
Avg Visit Duration
00:00:25
Similarity Score
77%Total Validator tests websites to help ensure that they are accessible, use valid HTML and CSS, have no broken links, and are free from spelling mistakes.
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Global Rank
#3,936,956
630,613Bounce Rate
41.13%
Pages per Visit
1.53
Avg Visit Duration
00:00:20
Similarity Score
74%Easily check your website for broken and malicious links. Find and fix 404 errors, mistyped URLs, invalid SSL certificates, or links to questionable websites.
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Global Rank
#217,993
20,834Bounce Rate
33.46%
Pages per Visit
2.50
Avg Visit Duration
00:00:32
Similarity Score
72%Check websites for broken links online using this free tool. Find 404 errors to improve your SEO rankings.
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Global Rank
#282,068
24,470Bounce Rate
39.72%
Pages per Visit
2.68
Avg Visit Duration
00:01:02
Similarity Score
68%Check for broken links on your website with our free online tool. Sign up and schedule automatic checks to keep your website fresh and up to date.
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Global Rank
#292,655
77,753Bounce Rate
38.1%
Pages per Visit
2.53
Avg Visit Duration
00:00:39
Similarity Score
66%- Company
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Global Rank
#1,055,637
81,012Bounce Rate
40.36%
Pages per Visit
1.99
Avg Visit Duration
00:00:06
Similarity Score
63%validator.w3.org's top 5 competitors in February 2026 are: validator.nu, css-validator.org, jsonformatter.org, freeformatter.com, and more.
According to Similarweb data of monthly visits, validator.w3.org’s top competitor in February 2026 is validator.nu. validator.w3.org 2nd most similar site is css-validator.org, and closing off the top 3 is jsonformatter.org.
freeformatter.com ranks as the 4th most similar website to validator.w3.org and jshint.com ranks fifth in February 2026.
The other five competitors in the top 10 list are totalvalidator.com, drlinkcheck.com, brokenlinkcheck.com, deadlinkchecker.com, and h5validator.appspot.com.