At work, I often find that the browser has too many requests, which will be very slow and stuck, but I don't really remember which version can support how many concurrent requests. So I found it online and recorded it here.
The browser's limit on the number of concurrent requests is for the same domain name, that is, there is a certain number of requests for the same domain name at a time, and requests exceeding the limit will be blocked.
Various browsers and versions have the following number of parallel processing requests:
Reference article: https://www.cnblogs.com/SweetMemory/p/6340919.html