CORS Tester

Use this little website to test if a URL is setup correctly to work with CORS.




If your CORS setup is not using a wildcard then this should be a domain that matches your AllowedOrigins


Shareable link:

Results

This URL will work correctly with CORS.

Headers

These are the response headers received when making the request.

accept-ranges: bytes
access-control-allow-methods: GET, HEAD
access-control-allow-origin: *
access-control-max-age: 3000
cache-control: max-age=31536000
cf-cache-status: MISS
cf-ray: a0a883f2fb51e88e-CMH
connection: close
content-length: 62603
content-type: image/jpeg
date: Fri, 12 Jun 2026 11:29:02 GMT
etag: "8aefe5bf6de66ff63850a8bc58081cb1"
last-modified: Fri, 15 Apr 2022 01:12:02 GMT
server: cloudflare
via: 1.1 2733aa94cc15bc99c6328b4e904aa4cc.cloudfront.net (CloudFront)
x-amz-cf-id: CFacM_nlTLM6HqVncV6vvSJIO7kjBwzMeJeDCX0OaNl-5asFPLvjoQ==
x-amz-cf-pop: CMH68-P7
x-amz-version-id: 4.v6mlrkxeV8oKh1afPkdciYXFhQ84G6
x-cache: Miss from cloudfront
  

CORS tester was built by @mscccc. The code is available on GitHub. Sponsored by HTML/CSS to Image.