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Questions tagged [cors]

Use this tag when you see a message in the browser devtools console about CORS (Cross-Origin Resource Sharing) — e.g., your browser logged an error about Access-Control-Allow-Origin, and you want to know how to eliminate the error. Also for other questions on the CORS protocol (defined in as a way to use response headers to tell browsers to relax the same-origin policy and allow cross-origin XHR/Fetch/Ajax requests).