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HTML Validator
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HTML Validator

  • Version 1.3
  • Update Time August 31, 2025
  • Category Newsletter Social
  • Size 508.03KB
About this app

App that checks the HTML markup validity of websites.

This app will check HTML markup validity of any website you want. Just enter the URL of the website, press Go and analyze results. For free!

App uses official W3C Markup validator through its web service API and displays all informations, warnings and errors found in HTML markup of the website. For each category it displays message, position in source code where the info/warning/error occured (if any), source code (if any) and in some cases also the explanation of message.

App also supports different screen sizes (handsets/tablets).

What's New in the Latest Version 1.3

Last updated on Sep 18, 2015 v1.3
- Increased timeout for fetching website content

v1.2
- Source code wrap

v1.1
- Performance improvements

v1.0
- Initial release

Screenshots
HTML Validator
HTML Validator
HTML Validator
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