Best load testing plugins for WordPress
The most popular load testing plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. BlazeMeter leads with 10+ active installs, ahead of supervisor.com (fewer than 10) and Performance Checker by DMUK (fewer than 10). All 3 plugins tagged “Load testing” 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 load testing plugins
- 1.BlazeMeter
The most installed load testing plugin, with 10+ active installs. Only 3 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 2.supervisor.com
Fewer than 10 active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.
- 3.
Performance Checker by DMUKFewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.
All 3 plugins tagged “Load testing”
BlazeMeter
Down in the last 7 days:4,677#44,486by Mario Peshev13 years ago
The BlazeMeter module provides WordPress users a way to seamlessly load test their web or mobile site or application for performance.
- Installs
- 10+
- Rating
- 3.7(3)
- Downloads
- 2/day
supervisor.com
Down in the last 7 days:2,501#65,220by supervisorcom4 years ago
supervisor.com load testing and monitoring plugin for WordPress.
- Installs
- <10
- Rating
- –
- Downloads
- 1/day

Performance Checker by DMUK
Down in the last 7 days:1,398#67,375by Kerry Matthews1 year ago
Automatically generate bulk test posts in WordPress to simulate load for performance testing. Text Domain: performance-checker-by-dmuk.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day