Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization
View on WordPress.orgScores higher than 64% of indexed plugins
About
A/B Testing, conversion rate optimization, and beautiful Heatmaps with AI Assistance.
Security History
What It Does
Nelio A/B Testing lets you run split tests on pages, headlines, templates, widgets, and WooCommerce elements directly from your WordPress dashboard, with heatmaps and AI-assisted experiment suggestions to track visitor behaviour. Each test variant is served via JavaScript, so your server load stays roughly the same while traffic is split between versions and conversion data is collected automatically.
Who It's For
This plugin fits conversion-focused WooCommerce stores, SaaS sites, and online course creators who want to A/B test landing pages, product pages, and checkout flows without paying for an external CRO platform. It is well suited to small marketing teams that prefer keeping test data and variant management inside WordPress rather than juggling a third-party tool.
Who Should Skip It
If your site gets under a few thousand monthly visitors you will not reach statistical significance quickly enough for split testing to be worthwhile, so skip it. Pure bloggers and content-only sites that do not have a conversion goal should also look elsewhere, since the heatmap and testing features will gather little actionable data.
The Bottom Line
Nelio A/B Testing is a well-maintained, highly rated WordPress-native CRO toolkit that bundles A/B testing, multivariate testing, and heatmaps into a single dashboard. It loses points mainly on popularity and limited public support thread history, and it is overkill for low-traffic sites. For WooCommerce stores and SaaS sites serious about improving conversion rates without leaving WordPress, it is one of the stronger options in this niche.
Related Plugins
Pick Instapage instead if you mainly need to build and publish dedicated landing pages outside your theme, since Nelio focuses on testing existing pages rather than constructing new ones.
Choose QA Assistants if you mostly want heatmaps and session analytics rather than full A/B and multivariate testing, as it specializes in behaviour visualization.
Go with Visual Website Optimizer when you prefer a visual point-and-click editor for creating test variants without writing code, although it ties you to an external SaaS account.
Aurora Heatmap is the better option if you only need click, scroll, and attention heatmaps and want a much larger installed base, since Nelio's heatmaps are bundled inside a paid testing suite.
Unbounce fits better for marketers who want both a landing page builder and conversion testing in one external platform, rather than running experiments on existing WordPress content.