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A comment on Ask HN: What do you use for authentication and authorization?. Parent comment

Re:Ask HN: What do you use for authentication and authorizat... by luhn on Thursday December 27, 2018 @11:23AM (#18770402)
Preflights are cached, but because CORS is per-URL caching can be of limited value. If your API uses `/info` and `/edit`, a preflight request has to be made for both (assuming a preflight is necessary). If your application has dynamic URLs (e.g. `/widget/1`, `/widget/2`, etc.) the problem is exacerbated even further.
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