Version: 2.3
Opencart Page Speed and Page Cache extension drastically improves Page Speed grade, Yslow grade and page generation time.
It contains 2 powerful features:
1. PAGE CACHE (speeds up 1000x page generation time)
Page Cache improves page generation time so your pages will be loaded from cache in less than 1 millisecond once they are cached. Page generation time is improved by thousands of times. It has a Route Manager for routes you want to cache and a Full Cache Report which contains all cached pages. SSL content, pages browsed by logged users and pages which contain a non-empty cart are not cached.
2. PAGE SPEED (up to 99/100)
Page Speed improves Page Speed grade and Yslow grade from a couple of points to up to 99/100 depending on your theme. The demo site has a 98/100 Page Speed and 94/100 Yslow and it uses Opencart's default theme: