IE-11 does not send pre-validation request

I see that the preflight OPTIONS request is not sent from the IE-11 browser when making a cross-domain call. The first request is sent only on request. What are the cases when IE-11 executes and does not send an OPTIONS pre-check request?

Thanks,
Anuy

+6
source share

Source: https://habr.com/ru/post/980295/


All Articles