Apache Performance

• Ulimit https://www.webperformance.com/load-testing-tools/blog/2012/12/setting-apache2-ulimit-for-maximum-prefork-performance/
• Apache Maxclients https://abdussamad.com/archives/535-Apache-MaxClients.html
• Apache Maxclients param https://2bits.com/articles/tuning-the-apache-maxclients-parameter.html
• Apache Performance Tuning https://httpd.apache.org/docs/2.4/misc/perf-tuning.html
• Apache MPM Prefork https://httpd.apache.org/docs/2.4/mod/prefork.html
• Info on Options* HTTP/1.0 https://serverfault.com/questions/543355/options-http-1-0-in-access-log
• Page Speed Optimization https://varvy.com/pagespeed/

I have added a Keep alive directive in 3dd-server.conf - monitor if that is causing the server to run hotter - if it does then remove it. This setting may make user pages respond faster, but it might consume more mem