Is there a simple way to understand preflight requests in CORS and why browsers send options methods before my actual post request?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Is there a simple way to understand preflight requests in CORS and why browsers send options methods before my actual post request?
1 real search · 1 real-search pass
MDN CORS preflight request OPTIONS why browser sends preflight simple requests content-type authorization headersGoogle ↗
OBSERVED
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.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
MDN CORS preflight request OPTIONS why browser sends preflight simple requests content-type authorization headers Google ↗
- Cross-Origin Resource Sharing (CORS) - HTTP · developer.mozilla.org
- content/files/en-us/web/http/guides/cors/errors/index.md at main · mdn/content · github.com
- Preflight request - Glossary · developer.mozilla.org