Site speed is one of the most critical factors when running a site. If a site takes too long to load, visitors will hit the back button and go elsewhere. Google is well aware of this, so slower sites will not rank as well as fast sites (all other things being equal).

Drupal performance optimisation can be a complicated specialisation in its own right. Consultants and Drupal agencies can spend days or even weeks investigating performance issues and fixing them. But there are many quick fixes and simple methods that you can implement right away. You don’t have to implement absolutely everything on this list - you can implement some and monitor the difference it makes to the site speed....