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Best site speed optimization plugins for WordPress

The most popular site speed optimization plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SpeedSize Image & Video AI-Optimizer leads with 400+ active installs. All 1 plugins tagged “site speed 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 1 site speed optimization plugins

  1. 1.
    SpeedSize Image & Video AI-Optimizer

    The most installed site speed optimization plugin, with 400+ active installs. No reviews yet, updated 6 months ago. Tested only up to WordPress 6.9.11.

All 1 plugins tagged “site speed optimization”