Best experiments plugins for WordPress
The most popular experiments plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. AI leads with 60K+ active installs, ahead of Design Experiments (20+) and Easy Split Test Tab (10+). All 11 plugins tagged “experiments” 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 9 experiments plugins
- 1.
AIThe most installed experiments plugin, with 60K+ active installs. Rated 4.2 from 10 reviews, updated 1 week ago.
- 2.
Design Experiments20+ active installs. Only 2 reviews so far, last updated 7 years ago. Tested only up to WordPress 5.2.30.
- 3.
Easy Split Test Tab10+ active installs. Only 3 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.6.1.
- 4.
CausalFunnel A/B Testing10+ active installs. Only 2 reviews so far, updated 3 weeks ago.
- 5.
SpliteezyFewer than 10 active installs. No reviews yet, updated 3 months ago.
- 6.
BotPassFewer than 10 active installs. No reviews yet, updated 1 month ago.
- 7.
Bestony's AI SettingsFewer than 10 active installs. No reviews yet, updated 1 month ago.
- 8.
Nofliq Server-Side A/B TestingFewer than 10 active installs. No reviews yet, updated 2 months ago.
- 9.
ZeopilotFewer than 10 active installs. No reviews yet, updated 1 day ago.
All 11 plugins tagged “experiments”
AI
Up in the last 7 days:9#639by WordPress.org9 days ago
Opt-in AI for WordPress: one stable feature plus experiments that may change or be removed. Needs an AI provider plugin and your own API key.
- Installs
- 60K+
- Rating
- 4.2(10)
- Downloads
- 2.3K/day
Design Experiments
#26,409by Kjell Reigstad7 years ago
A plugin for trying out design experiments in WP-Admin. Brought to you by the WordPress Design Team.
- Installs
- 20+
- Rating
- 5.0(2)
- Downloads
- 0/day
Easy Split Test Tab
Down in the last 7 days:1,279#36,199by ErtyGi13 years ago
This plugin help you and Google Analytics to create experiments that test which version of a landing page leads better.
- Installs
- 10+
- Rating
- 2.3(3)
- Downloads
- 0/day
CausalFunnel A/B Testing
Up in the last 7 days:3,109#39,101by causalfunnel24 days ago
Create and measure A/B tests for pages, posts, buttons, headings, URLs, and WooCommerce products.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 4/day
Spliteezy
Down in the last 7 days:3,125#55,684by Linebloc3 months ago
Backend A/B testing for WordPress. Variant assignment happens server-side — no flicker, no JavaScript redirects, no duplicate URLs.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day
BotPass
Up in the last 7 days:9,914#57,942by botpass1 month ago
Controlled experiments that prove which page changes make AI assistants cite you. Half your pages change, half don't. Eight weeks later, you know.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day
Bestony's AI Settings
Down in the last 7 days:5,014#60,028by Bestony1 month ago
Edit every configuration option of the WordPress AI plugin from one screen.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Nofliq Server-Side A/B Testing
Down in the last 7 days:22,352#71,145by victoriavegab2 months ago
No-flicker server-side A/B testing. Decides experiment variants in PHP before rendering. Works on its own or with AB Tasty Flagship.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Zeopilot
#72,430by zeopilot1 day ago
Connect WordPress to Zeopilot for governed website improvements, experiments, and recovery using a revocable application password.
- Installs
- <10
- Rating
- –
- Downloads
- 6/day