Curated list of free (or freemium) A/B testing tools that are ideal for small‑business owners looking to optimise conversion rates without a big budget.
Get targeted exposure with custom position pinning and highlighted placement.
Google’s free A/B testing and personalization platform, tightly integrated with Google Analytics for data‑driven experiments.
A lightweight, ad‑free version of Convert’s powerful testing suite, offering unlimited experiments and basic targeting.
Free tier of Visual Website Optimizer with up to 1,000 monthly visitors, visual editor, and basic split testing.
Self‑hosted, open‑source A/B testing platform with feature flags, robust analytics, and no usage limits.
Simple, open‑source A/B testing framework for PHP sites; lightweight, no‑cost, and easy to embed.
Feature flag and experimentation platform offering 5,000 monthly active users on the free plan.
30‑day free trial of Zoho’s visual editor, heatmaps, and A/B testing tools for small sites.
Free tier includes unlimited A/B tests, heatmaps, and funnel analysis for up to 5,000 monthly visitors.
30‑day trial of Optimizely’s full-featured experimentation suite, ideal for testing landing pages and UI changes.
Free, open‑source A/B testing tool written in Go; provides REST API and easy integration for developers.
Free plan allows up to 1,000 monthly visitors, visual editor, and basic split testing for SaaS and e‑commerce sites.
Free, open‑source A/B testing framework for Ruby on Rails apps with real‑time results dashboard.
14‑day trial giving access to landing‑page builder, pop‑ups, and A/B testing features without credit card.
Free demo environment for SiteSpect’s server‑side testing platform, suitable for high‑traffic sites.
Limited free tier offering up to 5,000 monthly visitors, visual editor, and AI‑driven recommendations.
30‑day trial of AB Tasty’s full suite, including A/B testing, personalization, and heatmaps.
Node.js based, open‑source experimentation platform with real‑time analytics and feature flag support.
A stripped‑down, free version of VWO that provides basic split testing and visual editor for small sites.
Free landing‑page builder with built‑in A/B testing for email list growth, unlimited pages.
Free tier includes feature flags and experimentation for up to 5,000 monthly active users.