⚡ A/B Testing in the United Kingdom

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.

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our data, A/B testing tools are used on 2.6% of websites from the United Kingdom.

Statistics based on 159K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is VWO with a share of 23.3%, followed by Crazy Egg with 12.6% and OptinMonster with 9.2%.

VWO 23.3%
Crazy Egg 12.6%
OptinMonster 9.2%
Optimizely 6.5%
Convert 6.1%
Shogun 5.5%
AB Tasty 4.8%
Webtrends Optimize 4.2%
PostHog 3.9%
Zoho PageSense 3.9%
Nosto 3.4%
OptiMonk 3.4%
Adobe Target 2.8%
Inspectlet 1.9%
Other 8.5%

🚀 Highlights

Here is a list of the top tools that are more popular in the United Kingdom than worldwide.
Differences between global and country rankings are shown in parentheses.

5. Convert ^(-2)
7. AB Tasty ^(-5)
8. Webtrends Optimize ^(-25)
11. Nosto ^(-5)
14. Inspectlet ^(-1)
16. Shoplift ^(-2)
17. Dynamic Yield ^(-5)
19. Airship ^(-13)
20. Monetate ^(-6)
22. Visually ^(-3)

✨ Best A/B Testing Tools

Below is a more detailed list of the top 25 of the 47 A/B testing tools used on sites from the United Kingdom, 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	23.3%
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	12.6%
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	9.2%
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	6.5%
5	Convert Claymont, Delaware, United States An advanced A/B testing and personalization platform for websites and web apps. $399+/month	6.1%
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	5.5%
7	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	4.8%
8	Webtrends Optimize Egham, United Kingdom An enterprise-grade A/B testing and personalisation platform using conversion rate optimisation tools. Free tier$179+/month	4.2%
9	PostHog San Francisco, California, United States An open-source product analytics platform available as a self-hosted deployment or managed cloud service. FreeOpen source$$$	3.9%
10	Zoho PageSense Chennai, India A conversion rate optimization and web analytics platform that enables businesses to use heatmaps and session recordings, track conversion funnels, and run A/B and split-URL tests. $20+/month	3.9%
11	Nosto Helsinki, Finland An intelligent commerce experience platform that integrates with e-commerce systems such as Shopify, Magento, Adobe Commerce Cloud, Shopware, BigCommerce, and VTEX Commerce Platform to deliver personalized shopping experiences. $$$	3.4%
12	OptiMonk Debrecen, Hungary A conversion rate optimization tool that provides popups, gamification widgets, website personalization, and A/B testing. Free$29+/month	3.4%
13	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	2.8%
14	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	1.9%
15	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	1.8%
16	Shoplift New York, United States A conversion rate optimization and A/B testing platform built specifically for Shopify. $99+/month	1.8%
17	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	1.8%
18	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	1.6%
19	Airship San Francisco, California, United States A customer engagement platform that orchestrate journeys in app, on the web, and across all promotional channels like email, push, in-app and SMS. $$$	1.5%
20	Monetate Dallas, Texas, United States A personalization platform packed with business-focused A/B testing tools that simplify the process of testing and experimentation. $1,000+/month	1.4%
21	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	1.2%
22	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	1%
23	Omniconvert Bucharest, Romania A complete conversion optimization solution that integrates A/B testing, personalization, overlays, and surveys. Free$273+/month	0.8%
24	Plerdy Lviv, Ukraine A conversion rate optimization platform that includes analytics and A/B testing tools. Free$21+/month	0.8%
25	Kameleoon Paris, France An A/B testing, full stack, AI-powered personalization platform for mid-sized to enterprise companies. $35,000+/year	0.7%

👉 See Also

🌎 A/B Testing in other countries

🗃️ 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 159,418 websites from the United Kingdom.
We currently track the presence of 47 A/B testing tools across the web.
Of these, 47 were detected on websites from the United Kingdom.
Statistics were last calculated on May 5, 2026.
For more details, see our methodology and disclaimer.