Hi all! I not have anything to do and nonstop are there forum what is the best webserver, I test it with Loader.io page to simulate visitors. Help a little what choose for your new server...
Tested PC: Intel i5 4690s, 8GB ram, 500GB SSD, 100/100Mbit/s optical internet, PHP 7.4.x newest, MySQL 5.7, system all updated.

Apache:

250 users in 30 seconds: Average response 399ms (12.8% error rate) https://prnt.sc/tmvhml
500 users in 30 seconds: Average response 320ms (36.0% error rate) https://prnt.sc/tmvhqv
1000 users in 30 seconds: Average response 378ms (0.0% error rate) https://prnt.sc/tmvhzb
1000 users in 15 seconds: Average response 1442ms (1.6% error rate) https://prnt.sc/tmvhd8
5000 users in 30 seconds: Average response 8142ms (60.1% error rate) https://prnt.sc/tmvi3t

Can´t more test, limit exceed, 8GB ram full, processor 100%, load 100% and running blocked...

Nginx

1000 users in 30 seconds: Average response 223ms (0.0% error rate) https://prnt.sc/tn3j1k (load is 60-70% CPU)
1000 users in 15 seconds: Average response 1479ms (0.0% error rate) https://prnt.sc/tn3g6l (load is full https://prnt.sc/tn3hu0)
2000 users in 30 seconds: Average response 1340ms (0.0% error rate) https://prnt.sc/tn3m7t (full load 100% https://prnt.sc/tn3mzh)
5000 users in 30 seconds: Error - stopped test, 60%+ error rate, unusable.

OpenLiteSpeed:

5000 users in 30 seconds: Average response 142ms (0.0% error rate) https://prnt.sc/tmvirv
10000 users in 30 seconds: Average response 138ms (0.1% error rate) https://prnt.sc/tmviw2
10000 users in 15 seconds: Average response 153ms (0.1% error rate) https://prnt.sc/tmvia2
10000 users in 15 seconds: Average response 155ms (0.1% error rate) - retest https://prnt.sc/tmvinl

With 10000 users load: https://prnt.sc/tmvcwg

OLS surpsired, have very much potential, but can´t more test, for free account limit is 10000 user/15 sec.