Request Details
Example Tests
Response
Headers
Body Snippet
Waiting for request...
CORS Error Detected
The browser blocked this request. This usually means the server is missing the Access-Control-Allow-Origin header.
Fix:
Access-Control-Allow-Origin: *
CORS Tester FAQ
CORS (Cross-Origin Resource Sharing) is a security mechanism that allows a web page from one domain to request resources from another domain.