How to Inspect HTTP Response Headers of a Site
TL;DR:
To inspect HTTP headers: (1) Enterno.io HTTP checker — online, no signup, shows all response headers; (2) curl -I https://example.com in terminal; (3) Chrome DevTools → Network → pick request → Headers.
Step-by-step guide
- Online checker. Open homepage, enter URL. Get every header + per-header analysis.
- Curl (CLI). Run:
curl -I https://example.com. Flag-Idoes a HEAD request and prints headers only. - Chrome DevTools. F12 → Network tab → reload → pick the first document request → Response Headers section.
- Firefox. Developer Tools → Network → pick request → Headers.
- Analyze with Enterno.io. Security Scanner shows headers AND gives an A-F grade + recommendations.
Frequently Asked Questions
Signup required?
No for quick check. For continuous monitoring — free account.