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HTML Guide

Free site validation

Find out what web pages on your sites are affected by HTML issues.

This document appears to be written in English but the “html” start tag has X

Based on the content of the document, the W3C validator thinks that it’s written in English, but the lang property in the <html> element specifies a different language. Check the language of the document, if it matches the lang property you can safely ignore and mute this warning.


<html lang="fr">

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Related W3C validator issues