Hreflang Checker & International SEO Validator
Verify HTML `` tags, validate ISO language/country codes, and check reciprocal return links.
How to Use Hreflang Checker
Input URL or Markup
Enter the target webpage URL, domain name, or paste the raw markup into the input field.
Run Technical Audit
Click the action button to parse tags, simulate crawler directives, or query live DNS records.
Review Actionable Insights
Inspect diagnostic status badges, recommendations, and copy formatted audit results.
Frequently Asked Questions
What is hreflang x-default?
The `x-default` hreflang attribute indicates the fallback URL for international users whose language does not match any designated localized versions.
100% In-Browser & Free
All technical SEO audits, crawler checks, and syntax parsing execute privately inside your browser without storing your confidential URLs or site data.
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