Originally published at www.kznhost.com Apache has been the default web server for most of the internet's history. It is stable, it is everywhere, and almost every tutorial assumes it. LiteSpeed is a drop-in replacement that speaks the same configuration language - but underneath, it solves the core problem of serving web traffic in a fundamentally different way. That one architectural decision is why a WordPress site behaves differently on each. Process-per-Request vs Event-Driven Apache, in it