There is a server with websites in Germany. It's got an apache. But it's slow. Server dedicated 8 cores, 16 GB of memory.
The site is loaded for 20 seconds, I don’t know what to do.
Someone said it was because of the apache. I found that there are analogues of apache - nginx and lighttpd. You need to configure everything to run fast on nginx or lighttpd and move all the sites (about 100 pieces).