Hreflang Checker — Validate Hreflang Tags Free Online
Validate hreflang implementation on any webpage. Check for missing x-default, incorrect language codes, and mismatched return tags. Free.
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What is Hreflang Checker?
A hreflang checker fetches a webpage and reads all its hreflang alternate link elements to validate the implementation. Common hreflang errors include missing x-default, incorrect ISO language codes, missing return tags (each language page must reference all others), and mismatched URLs. Our tool shows all detected hreflang tags and flags missing x-default.
How to Use Hreflang Checker
- 1Enter the URL of a page you want to check for hreflang tags.
- 2Click Check Hreflang to fetch the page.
- 3Review all hreflang alternate tags found.
- 4Check for a missing x-default tag.
- 5Verify all language versions are referenced correctly.
Key Features
- Reads all hreflang alternate tags from live page
- Detects missing x-default tag
- Lists all language codes and URLs
- Flags pages with no hreflang (may be intentional)
- Instant server-side fetch
Benefits
- Catch hreflang implementation errors before they affect rankings
- Verify international SEO is correctly configured
- Identify missing x-default fallback pages
- Audit competitor hreflang implementations
Why Use Irreva for Hreflang Checker?
Catch hreflang implementation errors before they affect rankings
Verify international SEO is correctly configured
Identify missing x-default fallback pages
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.