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What headers do I need to include in my Go backend to fix CORS policy blocks when requests come from a browser extension?

ChatGPTgpt-61 query2h ago
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What headers do I need to include in my Go backend to fix CORS policy blocks when requests come from a browser extension?
1 real search · 1 real-search pass
Go net/http CORS OPTIONS Access-Control-Allow-Origin browser extension chrome-extension origin MDN CORS preflightGoogle ↗
OBSERVEDInstruction

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)
Short fact: wants a specific short fact: a number, date, name, place, priceShort factChatGPT real searches · Short fact: 0 of 1 queries (0%)Other / navigational: a site, brand, product, person or place with no question behind itOther / navigationalChatGPT real searches · Other / navigational: 0 of 1 queries (0%)Comparison: compares options or asks for the best / top / cheapestComparisonChatGPT real searches · Comparison: 0 of 1 queries (0%)Consequence: what happens as a result: effects, outcomesConsequenceChatGPT real searches · Consequence: 0 of 1 queries (0%)Reason: why something happens or what causes itReasonChatGPT real searches · Reason: 0 of 1 queries (0%)Definition: what something is or what a term meansDefinitionChatGPT real searches · Definition: 0 of 1 queries (0%)Instruction: how to do something: steps, a tutorial, a fixInstructionChatGPT real searches · Instruction: 1 of 1 queries (100%)100%Yes / no: a yes-or-no questionYes / noChatGPT real searches · Yes / no: 0 of 1 queries (0%)

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
Go net/http CORS OPTIONS Access-Control-Allow-Origin browser extension chrome-extension origin MDN CORS preflight Google ↗
3 cited sources
  1. Cross-Origin Resource Sharing (CORS) - HTTP · developer.mozilla.org
  2. Preflight request - Glossary · developer.mozilla.org
  3. Chrome extension network requests documentation · developer.chrome.com

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Go net/http CORS OPTIONS Access-Control-Allow-Origin browser extension chrome-extension origin MDN CORS preflight
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
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