Best site optimization plugins for WordPress
The most popular site optimization plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Clariti leads with 1K+ active installs, ahead of Otherboard (10+) and Optimize Website (10+). All 3 plugins tagged “Site Optimization” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 3 site optimization plugins
- 1.
ClaritiThe most installed site optimization plugin, with 1K+ active installs. No reviews yet, updated 9 months ago. Tested only up to WordPress 6.9.11.
- 2.Otherboard
10+ active installs. No reviews yet, last updated 3 years ago. Tested only up to WordPress 6.0.18.
- 3.
Optimize Website10+ active installs. No reviews yet, last updated 3 years ago. Tested only up to WordPress 6.3.14.
All 3 plugins tagged “Site Optimization”

Clariti
Down in the last 7 days:20#6,748by Clariti9 months ago
Seamlessly sync your content with Clariti.
- Installs
- 1K+
- Rating
- –
- Downloads
- 23/day
Otherboard
Down in the last 7 days:30#39,842by Justin Sainton3 years ago
Adds improved Yoast, WordPress, and dynamic real-time updates to your Otherboard experience.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Optimize Website
Down in the last 7 days:4,377#43,235by WP-EXPERTS.IN3 years ago
A very simple plugin to optimize your website by remove unused files and allow you to add page specific CSS code
- Installs
- 10+
- Rating
- –
- Downloads
- 2/day