Checker scans every page to catch hreflang attributes with invalid language code format and shows you the exact place to fix.
Problem
Detects hreflang attributes with invalid language code format. That weakens how search engines interpret the page.
Impact
Lower visibility, weaker snippets, and missed long-tail traffic.
Fix
Checker pinpoints the exact tags and URLs so fixes are fast and safe.
Scan every URL on your site and match against the rule.
Group similar findings so fixes can be applied in batches.
Verify the fix with a rescan and track the trend over time.
Example issue
Example: https://example.com/pricing is flagged. Hreflang attributes with invalid language code format.
Trust signal
Deterministic rules, clear selectors, and repeatable scans mean every fix can be verified.
Proof
Testimonial placeholder: “Checker flagged our Invalid Hreflang Language Code issues before a launch.”
Outcome
Clear remediation steps, fewer regressions, and stronger audits.
How does Checker detect Invalid Hreflang Language Code?
Detects hreflang attributes with invalid language code format.
Can I fix these issues in bulk?
Yes. Checker groups similar findings so you can resolve patterns instead of one-off fixes.
When should I rescan?
Run a new scan after you deploy fixes to confirm the issue is resolved.
Scan your site in minutes and get a prioritized list of high severity issues.