Question 1

How do I check HTTP headers online?

Accepted Answer

Enter any URL in inspectly.dev/headers and click Fetch. The tool shows all HTTP response headers including status code, content type, cache control, CORS headers, security headers, and cookies.

Question 2

How do I check if a website has security headers?

Accepted Answer

Use inspectly.dev/headers — enter the URL and the tool highlights security-related headers like Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options, and flags missing ones.

Question 3

How do I check CORS headers online?

Accepted Answer

inspectly.dev/headers shows all CORS-related response headers: Access-Control-Allow-Origin, Access-Control-Allow-Methods, Access-Control-Allow-Headers, and more — making it easy to debug cross-origin request issues.

Question 4

How do I check cache headers for a URL?

Accepted Answer

Fetch any URL with inspectly.dev/headers to see Cache-Control, ETag, Last-Modified, Expires, and Vary headers. This helps diagnose caching issues and verify CDN configurations.

HTTP Header Analyzer

Raw Headers