Accessibility fix guide
WCAG 3.1.1 Language of Page
How to fix: The page must declare its language
The <html> element needs a lang attribute so screen readers use the right pronunciation and voice for the content.
The fix
Add a lang attribute to the <html> element, e.g. <html lang="en">.
Before and after
Fails
<html>
Passes
<html lang="en">
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