HTML Element Must Have a Lang Attribute

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Quick Reference

Element Code: HT-005

Issue: HTML element is missing the lang attribute

Impact: Screen readers may mispronounce content, translation tools struggle

Fix: Add lang attribute to the html element with correct language code

Detection: axe DevTools, WAVE, Lighthouse, HTML validators

What Is This Issue?

The lang attribute on the html element declares the primary language of the page. Without it, screen readers may use the wrong pronunciation rules, translation tools may not work correctly, and search engines have less context about your content's language.

Why This Matters

Accessibility

Screen readers use the lang attribute to determine which pronunciation rules to apply. Without it, a screen reader configured for English might try to pronounce French text with English rules, making it incomprehensible.

SEO

Search engines use language declarations to serve content to appropriate users and understand content for indexing.

Correct Implementation

  
  
  
  
  

TL;DR (The Simple Version)

Your HTML tag is missing the lang attribute. Add lang="en" (or your language code) to your html element so screen readers and search engines know what language your content is in.

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