HTTP Header Checker

Instantly check HTTP response headers for any URL. See status codes, redirects, cache rules, security, cookies, and more for SEO, performance, and troubleshooting! Unlimited, free scans. No login required.

Enter a URL to fetch and analyze its HTTP response headers. Get a detailed breakdown of all header fields, including status, redirects, server, caching, and custom headers.

How it Works

  • Fetches all response headers for the given URL—works for all public web pages.
  • Shows status, server, cache rules, cookies, security headers, and more.
  • Unlimited, free, and export-friendly.

Benefits

  • Troubleshoot redirects, HTTPS, cache, and technical SEO issues in seconds.
  • Validate custom headers for analytics and third-party tools.
  • Perfect for SEOs, admins, and webmasters alike.