January 2026
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Global Rank
#706,617
104,181Category Rank
#13,526
3,992Showing Similarweb estimated data.
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Bounce Rate
43.09%
Pages per Visit
1.53
Avg Visit Duration
00:00:15
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Top 10 htmlvalidator.com Competitors
The Top 10 Sites Like htmlvalidator.com in January 2026 are ranked by their affinity to htmlvalidator.com in terms of keyword traffic, audience targeting, and market overlap
w3c's easy-to-use markup validation service, based on sgml and xml parsers.
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Bounce Rate
34.97%
Pages per Visit
3.91
Avg Visit Duration
00:04:55
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100%htmlhelp.com is maintained by the web design group to provide web authoring reference material, tips, and answers to frequently asked questions.
Global Rank
#1,272,618
381,523Bounce Rate
41.62%
Pages per Visit
1.63
Avg Visit Duration
00:00:22
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100%Powerful and practical HTML, CSS, JavaScript, SEO, link, spelling, PHP, and accessibility checking software for Windows, Mac, and Linux.
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100%- Company
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Bounce Rate
48.64%
Pages per Visit
2.88
Avg Visit Duration
00:00:31
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84%играть онлайн Primary, занимательный платформер с элементами головоломки
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#2,426,619
322,842Bounce Rate
51.34%
Pages per Visit
1.39
Avg Visit Duration
00:00:08
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83%Improve user experiences and ensure every application works perfectly across every channel with best-in-class digital experience monitoring.
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81%Reddit is awash with great conversation (well, not all the time). There’s a Reddit forum for just about everybody — sports fans, gamers, poets inspired by food, people who like arms on birds — you get the idea. If you spend time on Reddit, there are ways to augment your experience with a browser extension… […]
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Bounce Rate
59.64%
Pages per Visit
2.69
Avg Visit Duration
00:01:42
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78%The HTML table represents an HTML structure for creating rows and columns on a web page (tabular data). The row in the table is defined by the
Global Rank
#1,321,533
169,964Bounce Rate
41.27%
Pages per Visit
1.47
Avg Visit Duration
00:00:14
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77%- Company
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76%- Company
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Global Rank
#1,385,040
41,673Bounce Rate
50.37%
Pages per Visit
1.51
Avg Visit Duration
00:00:17
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75%htmlvalidator.com's top 5 competitors in January 2026 are: validator.w3.org, htmlhelp.com, freehtmlvalidator.com, html5.validator.nu, and more.
According to Similarweb data of monthly visits, htmlvalidator.com’s top competitor in January 2026 is validator.w3.org. htmlvalidator.com 2nd most similar site is htmlhelp.com, and closing off the top 3 is freehtmlvalidator.com.
html5.validator.nu ranks as the 4th most similar website to htmlvalidator.com and upread.ru ranks fifth in January 2026.
The other five competitors in the top 10 list are netmechanic.com, addons.mozilla.org, htmlgoodies.com, watson.addy.com, and delorie.com.