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The Root of an HTML Document

Published on .

What is it?

<html> element is the root element of the HTML page. It is the absolute parent element of the <head> and <body> elements.

Do you need to include it?

Yes, you must include it with the lang attribute—<html lang="en">.

You must add a lang attribute to tell web browsers and translation API the language of your website. Also, to have your website compliant with 3.1.1 Language of Page criterion from Web Content Accessibility Guidelines (WCAG) version 2.1.

For example, you must use lang="en" if your website is written in English. Another example is you must use lang="es" if your website is written in Spanish.


<html>: The HTML Document / Root element - HTML: HyperText Markup Language | MDN

A list of values for the lang attribute — List of ISO 639-1 codes - Wikipedia

HTML Language Codes - Dofactory

Understanding Success Criterion 3.1.1: Language of Page | WAI | W3C

lang - HTML: HyperText Markup Language | MDN