Catalog › Markup › Invalid lang attribute
Invalid lang attribute
<html lang> is missing or not a valid BCP-47 tag. Search engines and screen readers cannot determine the page language.
| Check ID | INVALID_LANG |
|---|---|
| Category | Markup |
| Severity | Notice |
| Plans | Available on every plan |
How to fix it
Set a valid lang attribute on the <html> element (for example, lang="en" or lang="en-US").
Catch it on your site
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