https://en.wikipedia.org/wiki/HTTP_pipelining https://en.wikipedia.org/wiki/HTTP_pipelining https://www-archive.mozilla.org/projects/netlib/http/pipelining-faq.

https://en.wikipedia.org/wiki/HTTP_pipelining https://en.wikipedia.org/wiki/HTTP_pipelining https://www-archive.mozilla.org/projects/netlib/http/pipelining-faq.html https://www-archive.mozilla.org/projects/netlib/http/pipelin... https://kb.mozillazine.org/Network.http.pipelining https://kb.mozillazine.org/Network.http.pipelining This has existed for years, and honestly it worked pretty well for me on most servers before HTTP2 came around, so long as you didn't abuse it. You could setup multiple connections too. I usually had mine set to "4" Some servers didn't support it, most did though. Which was why when the first HTTP2 tech demos came out, I really couldn't see the enormous speedups people were trying to demo.