⚡ A/B Testing

A/B testing tools are software solutions that allow users to compare two or more versions of a webpage, application, or element to determine which performs better.

These tools measure user interactions and conversion rates, helping to optimize content and design for better results.

According to our data, A/B testing tools are used on 1.7% of all websites.
91.6% of these sites use only one A/B testing tool, 7.4% use two, and 1.1% use three or more of them.

Statistics based on 3.4M+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the leading A/B testing tools in 2026, based on market share.

The most popular is VWO with a share of 19%, followed by Crazy Egg with 12.9% and OptinMonster with 10.1%.

VWO 19%
Crazy Egg 12.9%
OptinMonster 10.1%
Optimizely 6.8%
PostHog 6%
Shogun 5.4%
Convert 4.1%
OptiMonk 3.6%
Zoho PageSense 3.6%
Roistat 3.4%
Adobe Target 3.2%
AB Tasty 2.5%
Intelligems 2.3%
Unbounce 2.3%
Other 14.8%

You can also drill down by country:

🚀 Country Highlights

Here is a list of tools that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

Crazy Egg is #1 in the United States ^(-1)
OptiMonk is #1 in Hungary ^(-7)
Roistat is #1 in Russia ^(-9)
AB Tasty is #1 in France ^(-11)
Ptengine is #1 in Japan ^(-18)
Convert is #2 in the Netherlands ^(-5)
Kameleoon is #2 in Germany ^(-18)

✨ Best A/B Testing Tools

Below is a more detailed list of the top 25 of the 47 A/B testing tools we track, ranked by their market share.

Rank	Name	Market share
1	VWO Delhi, India A comprehensive visual website analytics, optimization, and A/B testing platform for running experiments and improving digital user experiences across websites and apps. $2,064+/year	19%
2	Crazy Egg La Mirada, California, United States An analytics platform that allows users to track visitor behavior and optimize conversions using heatmaps, session recordings, click tracking, scrollmaps, and A/B testing. $29+/month	12.9%
3	OptinMonster West Palm Beach, Florida, United States A conversion optimization and lead generation platform that helps websites turn visitors into subscribers or customers using targeted onsite campaigns such as popups and opt-in forms. Free$7+/month	10.1%
4	Optimizely New York, United States A digital experience platform that specializes in content management, e-commerce personalization, experimentation, and feature delivery. $36,000+/year	6.8%
5	PostHog San Francisco, California, United States An open-source product analytics platform available as a self-hosted deployment or managed cloud service. FreeOpen source$$$	6%
6	Shogun Walnut, California, United States An e-commerce optimization and personalization platform for Shopify, featuring a visual page builder and A/B testing tools. $39+/month	5.4%
7	Convert Claymont, Delaware, United States An advanced A/B testing and personalization platform for websites and web apps. $399+/month	4.1%
8	OptiMonk Debrecen, Hungary A conversion rate optimization tool that provides popups, gamification widgets, website personalization, and A/B testing. Free$29+/month	3.6%
9	Zoho PageSense Chennai, India A conversion rate optimization and web analytics platform that enables businesses to use heatmaps and session recordings, track conversion funnels, and run A/B and split-URL tests. $20+/month	3.6%
10	Roistat Moscow, Russia A Russian SaaS marketing analytics platform. $239+/month	3.4%
11	Adobe Target San Jose, California, United States Used by marketers to design and execute online tests, create behavior-based audience segments, and automate content targeting. $50,000/year	3.2%
12	AB Tasty Paris, France A digital experience platform that enables website teams to run A/B testing, multivariate tests, personalized content experiments, and user experience optimization. $1,000+/month	2.5%
13	Intelligems Middletown, Delaware, United States A data-driven profit optimization platform that helps e-commerce merchants optimize their content, prices, discounts, and shipping rates. $99+/month	2.3%
14	Unbounce Vancouver, British Columbia, Canada A drag-and-drop landing page builder that enables marketers to create, test, and optimize standalone web pages without coding. $99+/month	2.3%
15	Inspectlet Santa Clara, California, United States A website analytics tool that helps businesses understand how visitors interact with their sites by capturing behavioral data beyond traditional metrics. Free$39+/month	2.1%
16	Nosto Helsinki, Finland An intelligent commerce experience platform that integrates with e-commerce systems such as Shopify, Magento, Adobe Commerce Cloud, Shopware, BigCommerce, and VTEX Commerce Platform to deliver personalized shopping experiences. $$$	2%
17	Justuno Fairfax, California, United States An AI-powered conversion automation platform for retailers that helps optimize website engagement, capture leads, boost sales, and tailor onsite experiences based on visitor behavior. Free$39+/month	1.9%
18	Shoplift New York, United States A conversion rate optimization and A/B testing platform built specifically for Shopify. $99+/month	1.8%
19	Ptengine Tokyo, Japan A complete marketing and analytics platform with A/B testing and heatmaps. Free$49+/month	1.7%
20	Kameleoon Paris, France An A/B testing, full stack, AI-powered personalization platform for mid-sized to enterprise companies. $35,000+/year	1.5%
21	ClickFunnels Canton, Georgia, United States An online tool for building high-converting websites and sales funnels. $97+/month	1.5%
22	Dynamic Yield Purchase, New York, United States An AI-powered personalization and customer experience optimization platform that enables businesses to tailor content, product recommendations, and offers across websites, mobile apps, and email. $35,000/year	1.4%
23	Webflow Optimize San Francisco, California, United States An AI-driven A/B testing and personalization tool from Webflow that lets teams run experiments, tailor multiple site variations, and dynamically deliver personalized experiences to different visitor segments. $299+/month	1.2%
24	Plerdy Lviv, Ukraine A conversion rate optimization platform that includes analytics and A/B testing tools. Free$21+/month	1.1%
25	Visually A no-code conversion rate optimization tool for Shopify that allows customers to A/B test, optimize, and personalize the user experience through a visual editor. $15+/month	0.9%

👉 See Also

A/B testing

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 3,406,701 websites.
We currently track the presence of 47 A/B testing tools across the web.
Statistics were last calculated on May 6, 2026.
For more details, see our methodology and disclaimer.