HTTP headers lookup

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How to Use the HTTP Headers Lookup Tool

To inspect the metadata of any webpage, simply enter the full URL (e.g., https://smtk.pro) into the input field above and click "Submit." Our tool will perform a live request to the server and retrieve the "header" information—the behind-the-scenes data exchange that determines how a page is loaded, cached, and secured.

Functionality and Technical Insights

The HTTP Headers functionality is an essential diagnostic utility for developers and SEO specialists. Every time a browser requests a page, the server responds with headers that dictate the behavior of that session. This tool allows you to analyze:

HTTP Status Codes: Instantly verify if a page is returning a 200 OK, a 404 Not Found, or a 500 Internal Server Error.
Redirect Chains: Trace 301 and 302 redirects to ensure your "link juice" is flowing correctly and that you aren't creating infinite loops that hurt your search rankings.
Security Headers: Check for critical security implementations like HSTS, X-Frame-Options, and Content-Security-Policy (CSP) to protect your site from XSS and clickjacking attacks.
Server & Caching Info: Identify the server type (Nginx, Apache, Cloudflare) and check Cache-Control headers to ensure your assets are being stored and served efficiently for maximum speed.