Hreflang Checker

Validate hreflang tags on any webpage. Enter a URL to extract all alternate language links, check for self‑referencing, missing x‑default, and common multilingual SEO errors. Free, no sign‑up.

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Hreflang URL Issues

What is an Hreflang Checker?

An Hreflang Checker scans a web page for rel="alternate" hreflang="…" tags and validates them against multilingual SEO best practices. Hreflang tags tell search engines which language version of a page to serve to users based on their location or language settings. If they are misconfigured – missing self‑references, conflicting codes, or absent x‑default – your site may rank poorly in international search results. This free tool extracts all hreflang annotations, highlights errors, and helps you fix them quickly.

How to Use This Hreflang Tag Checker

  1. Enter the full URL of the page you want to audit.
  2. Click "Check Hreflang Tags" – the tool fetches the page via a CORS proxy.
  3. All hreflang tags are displayed in a table along with detected issues.
  4. Review the summary and error flags, then fix the tags on your site.

Why Use This Free Hreflang Validator?

Frequently Asked Questions

An hreflang checker is a tool that scans a web page for <link rel='alternate' hreflang='...' href='...' /> tags and validates them against multilingual SEO best practices. It flags missing self‑references, absent x‑default, and conflicting language codes.

Enter the full URL of the page you want to check and click 'Check Hreflang Tags'. The tool fetches the page via a proxy, extracts all hreflang tags, and displays them with any detected errors.

Yes, completely free. No sign‑up, no credits, no limits.

Every page that lists alternate URLs must include a self‑referencing hreflang tag pointing to itself. For example, the English page must have <link rel='alternate' hreflang='en' href="#" />. Its absence is a common SEO error.

The x‑default hreflang tells search engines which URL to show to users whose language doesn't match any of the specified language versions. It's recommended but not mandatory.

Yes, if the same language code is used multiple times for different URLs, the tool will flag it as a conflict.

Return tag validation requires crawling the linked pages, which is beyond this tool's scope. We recommend using Google Search Console for full validation.

No. The request is made through a public CORS proxy, and we do not store the URL or the retrieved content.

Yes, the hreflang checker is fully responsive and works on smartphones, tablets, and desktops.

Check the related tools section for our AI SEO Analyzer, SERP Preview, Meta Tag Generator, and more.

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Author: Waleed Islam  |  Reviewed by: Nyxbo SEO Team  |  Last Updated: June 20, 2026

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