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-origin: *
cache-control: max-age=14400
cf-cache-status: MISS
cf-ray: 9394ce97f685003b-ORD
connection: keep-alive
content-length: 42147
content-type: image/jpeg
date: Fri, 02 May 2025 04:34:35 GMT
etag: "5c1c6761-a4a3"
expires: Fri, 02 May 2025 04:44:34 GMT
last-modified: Fri, 21 Dec 2018 04:09:05 GMT
server: cloudflare
x-github-request-id: 273E:EBFF9:460971:4AE53B:68144B5A
x-proxy-cache: MISS

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