Server Technology Header
Detects Server, Content-Type, and PHP/Nginx/Apache header signatures.
Security Headers Audit
Inspects HSTS, X-Frame-Options, and Content-Security-Policy settings.
Cache-Control Directives
Evaluates max-age and browser caching directives.
Fetching HTTP response headers...
Server HTTP Response Code
HTTP 200
Extracted HTTP Response Headers
| Header Key | Value |
|---|
What are HTTP Response Headers?
HTTP Response Headers are metadata fields sent by a web server to a browser or search engine crawler in response to an HTTP request. Headers specify content types, caching rules, cookie settings, and security policies.
Frequently Asked Questions (FAQ)
HSTS is a security header forcing browsers to communicate over HTTPS only.
It allows setting noindex or nofollow rules on non-HTML files like PDFs and images.
Yes, 100% free with unlimited header checks.
Enter your URL above and click Inspect Headers.
