URL Headers Check
See HTTP response headers and redirects for a website.
Run this tool
Input or start condition: Enter the labeled value and submit it. The lookup is idle without a valid query parameter.
Accepted input or signal: Public HTTP or HTTPS URL, Submitted lookup target.
Possible output: The final response status, redirect chain, content type, cache policy, and selected security headers for an entered public URL.; Whether the server safely refuses private, local, metadata, or otherwise restricted destinations.
Key limitation: Robots, bot protection, TLS failures, timeouts, and SSRF safeguards can prevent a remote fetch without proving the website is down.
What this checks
- The final response status, redirect chain, content type, cache policy, and selected security headers for an entered public URL.
- Whether the server safely refuses private, local, metadata, or otherwise restricted destinations.
How to interpret results
- A response answer describes the checked URL at one moment; redirects and cache headers can change by region or request context.
Common issues
- Robots, bot protection, TLS failures, timeouts, and SSRF safeguards can prevent a remote fetch without proving the website is down.
Privacy note
The entered public URL is fetched by the server for this request and is not included in analytics events.