HTTP Header & Response Inspector
Network & Web ToolsGo BackendInspect HTTP response headers, status codes, latency, and security headers of any URL.
SponsorNon-intrusive
What is HTTP Header & Response Inspector?
Perform server-side HTTP requests to inspect the headers returned by any web server. Analyze caching directives (Cache-Control), security headers (HSTS, CSP, X-Frame-Options), server software headers, and response latency.
Key Features
Supports GET and HEAD methods with custom User-Agent options
Analyzes essential security headers (HSTS, CSP, X-Content-Type-Options)
Measures exact server response latency in milliseconds
Color-coded HTTP status badges (200 OK, 301 Redirect, 404, 500)
Common Use Cases
- Debugging CORS and caching headers on API endpoints
- Auditing web security headers for OWASP compliance
- Investigating redirect loops and CDN cache status
Frequently Asked Questions
HTTP Strict Transport Security (HSTS) informs browsers that the website must only be accessed using HTTPS, preventing man-in-the-middle downgrade attacks.
SponsorNon-intrusive
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