HTTP Headers Checker
Check HTTP response headers for any URL online for free.
关于此工具
Inspect the HTTP response headers returned by any URL. Analyze security headers, caching policies, content types, redirects, and server information instantly.
如何使用
Enter URL
Paste the URL you want to inspect.
Check Headers
Click Check to fetch and display all response headers.
Analyze
Review security headers, caching, and content negotiation settings.
使用场景
Security Auditing
Verify that security headers like HSTS, CSP, and X-Frame-Options are correctly set.
常见问题
Are there CORS restrictions?
Headers are fetched server-side so CORS is not an issue.