Tool
A/B significance calculator
Drop in your visitors and conversions to see uplift and whether the result is statistically significant.
Resources
Guides, tools & comparisons
Plain-English help for running better A/B tests in WordPress - plus free calculators and honest comparisons. No email wall, no fluff.
Free tools
Calculators
Tool
Sample-size & duration calculator
Find how many visitors and days you need before a test can give a trustworthy answer.
Guide
How A/B testing works in WordPress
The whole flow: create a test, mark variants with a CSS class, pick a goal, and read the result.
Guides
Learn A/B testing
Guide
How to A/B test in WordPress (step by step)
A complete, beginner-friendly walkthrough - from your first hypothesis to reading a significant result.
Comparison
Best A/B testing plugins for WordPress in 2026
An honest comparison of the real options - including where each competitor is genuinely the better pick.
Tutorial
How to A/B test in Elementor (step by step)
Duplicate a section, add one CSS class per version, pick a goal - the complete Elementor split-testing tutorial.
Explainer
A/B testing statistics made simple
Significance, confidence, power, and sample size in plain English - enough theory to stop shipping false winners.
Guide
How to split test two landing pages
URL/redirect tests done safely: a challenger page, SEO-safe traffic splitting, and a clean ship of the winner.
Article
How long should you run an A/B test?
Why stopping at the first significant number fails, and how to plan duration in advance - with a worked example.
Also useful: the A/B testing glossary, Free vs Pro - every feature and what the plugin stores (and doesn't).
Comparisons
Switching from another tool?
Honest, balanced comparisons - including when the other tool is the better pick.
Comparison
Google Optimize alternative
The free, self-hosted replacement for the tool Google shut down in 2023.
Comparison
Nelio A/B Testing alternative
Both live in WordPress - see how no-traffic-limit, self-hosted testing differs.
Comparison
Thrive Optimize alternative
A/B testing on any builder - not only pages built with one page builder.
Ready to run a real test?
The free plugin includes the planner and guide built in.