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A comment on Show HN: I made a privacy-first minimalist Google Analytics. Parent comment

Re:Show HN: I made a privacy-first minimalist Google Analytics by nhooyr on Wednesday September 19, 2018 @10:42AM (#18024497)
Why would sending requests as JSON require an extra request?
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Re:Show HN: I made a privacy-first minimalist Google Analytics by harianus on Wednesday September 19, 2018 @10:46AM (#18024520)
Explained here: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS (search for preflight)
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