Infrastructure
HTTP Headers Checker
Inspect the HTTP response headers returned by a public web page.
Examples
Check cache-control settings; inspect server content type.
Common mistakes
Private hosts cannot be tested; redirects may change final headers.
Related tool: Security Headers Checker →Tutorial on LearnWithIrfan: Nginx security hardening →Created by Muhammad Irfan Aslam, Senior Systems & Cloud Engineer.
Case study: WordPress on AWS Lightsail with Nginx and Varnish →