Shopify fix guide
Invalid Language Attribute on Shopify
The lang attribute value does not match a valid BCP 47 language tag, or appears inconsistent with the detected page language.
Issue ID: TECH-LANG-MISMATCH-001Severity: minorEffort: S
Why this matters
The lang attribute value does not match a valid BCP 47 language tag, or appears inconsistent with the detected page language. This affects crawlability, rendering, and whether the site can be interpreted correctly by search engines.
Shopify fix path
How to fix this on Shopify
Expect to handle these in theme settings or code.
- 1Open the Theme Customizer or edit theme code.
- 2Apply the setting or template fix.
- 3Preview and publish the change.
After you fix it
- ✓Inspect <html lang="..."> and confirm it matches the page language
Same fix, other platforms
Fix invalid language attribute on a different CMS
Other fixes
More Shopify fixes
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