Inspect the response line and headers only.
Section: Status Code Classes
Check headers and status with curl
bash
bash
curl -I https://example.comExplanation
Useful when you only need the status code, headers, redirect location, cache headers, or server details.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Status Code Classes
See the full request/response exchange
Use verbose mode to diagnose redirects, TLS, and headers.
HTTP status code classes
Understand the five categories of HTTP responses.
Debug status codes in the right order
A quick flow for deciding where a problem lives.