Use this little website to test if a URL is setup correctly to work with CORS.
Shareable link: https://cors-test.codehappy.dev/?method=get&origin=https%3A%2F%2Fcors-test.codehappy.dev%2F&url=https%3A%2F%2Fereignishorizont.xyz%2F.well-known
These are the response headers received when making the request.
access-control-allow-origin: *
cache-control: private, no-cache, max-age=0
cf-cache-status: DYNAMIC
cf-ray: 93d51c9e6340e1ff-ORD
connection: keep-alive
content-type: text/html
date: Fri, 09 May 2025 23:52:39 GMT
pragma: no-cache
server: cloudflare
transfer-encoding: chunked
vary: Accept-Encoding
x-turbo-charged-by: LiteSpeed
CORS tester was built by @mscccc. The code is available on GitHub. Sponsored by HTML/CSS to Image.