What headers do I need to return from my Go backend to permanently resolve this CORS policy error in production?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What headers do I need to return from my Go backend to permanently resolve this CORS policy error in production?
1 real search · 1 real-search pass
MDN CORS HTTP response headers Access-Control-Allow-Origin preflight Vary Origin credentials Go net/http middlewareGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
MDN CORS HTTP response headers Access-Control-Allow-Origin preflight Vary Origin credentials Go net/http middleware Google ↗
- Access-Control-Allow-Headers header - HTTP · developer.mozilla.org
- Access-Control-Allow-Origin header - HTTP · developer.mozilla.org
- Preflight request - Glossary · developer.mozilla.org