It checks your HTML, link validity, download speed, link popularity and search engine compatibility.
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Both algorithms were originally developed by the Web Consortium W3C. Both algorithms are embedded inside Mozilla/Firefox and makes the validation locally on your machine, without sending HTML to a third party server. For technical reasons, the extension is available in this site only for:- Windows Other platforms are available here:- complete list of platforms is - Windows- Linux 32 bits- Mac Os 32 bits- Mac Os 64 bits- Mac Os Universal (32/64 bits)The old version for Firefox 3 is also available for- Linux 64 bits- Open BSD 32 bits- Open BSD 64 bits- Mac Os X PPC - Mac OSX Intel- Linux PPCFor more information, or other platforms, see: the forum: BB/ If you have any problems or questions with the extension please visit the extension home page: There is a FAQ, download page and translations.
The extension is available on WINDOWS, LINUX, MACOSX. Please double-check that you install the one for your OS and your CPU.
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.
The number of errors of a HTML page is seen on the form of an icon For Online HTML 5 validation, you need 0.962 HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.