E-E-A-T & Trust Important

Language Consistency

priority_high Why it matters

Content language matching the declared language builds AI trust — mixed-language pages get lower confidence scores.

search What we check

Whether the HTML lang attribute, schema inLanguage, and actual content language all match each other.

build How to fix

  1. 1 Set the <html lang> attribute to match your content language (e.g., lang="en").
  2. 2 Add inLanguage to your schema markup using the same language code.
  3. 3 Ensure all language signals are consistent across the page.

Does your site pass this check?

This is 1 of 98 checks we run. Find out in under 30 seconds.