Why do preflight OPTIONS requests fail with CORS errors even when the Access-Control-Allow-Origin header is explicitly returned?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Why do preflight OPTIONS requests fail with CORS errors even when the Access-Control-Allow-Origin header is explicitly returned?
1 real search · 1 real-search pass
MDN CORS preflight request Access-Control-Allow-Origin methods headers credentials status redirect common errorsGoogle ↗
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).
Searches and sources
ChatGPT1 real searches · gpt-6
MDN CORS preflight request Access-Control-Allow-Origin methods headers credentials status redirect common errors Google ↗
- Preflight request - Glossary · developer.mozilla.org
- Cross-Origin Resource Sharing (CORS) - HTTP · developer.mozilla.org
- CORS errors - HTTP · developer.mozilla.org