HTML Validator
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 in the status bar when browsing. The details of the errors are seen when looking the HTML source of the page.
The extension is based on Tidy and OpenSP. Both algorithms were originally developed by the Web Consortium W3C. And now extended and improved by a lot of persons. Both algorithms are embedded inside Mozilla/Firefox and makes the validation locally on your machine, without sending HTML to a third party server.
- HTML Tidy is a helpful program that tries to help people to correct their HTML errors. It finds HTML errors and classifies them in 3 categories:
- errors: HTML errors that Tidy can’t fix or understand.
- warnings: HTML errors that Tidy can fix automatically.
- (optional) accessibility warnings: HTML warnings
for the 3 priority levels defined in W3C WAI
- OpenSP, is SGML parser is a professional algorithm. It is the same program running inside http://validator.w3.org/. And now, you can embed it in Firefox!
There is also an automatic “Clean up” button that will do his best to propose you a cleaned version of your page, without errors.
- HTML Validator Home page
- Download HTML Validator extension
- HTML Validator User guide
Tags: errors, extension, FireFox, HTML, tidy, validator, w3c, warnings
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Posted in HTML, Web developer tools, XHTML. 2,068 views
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