⚡ 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 2.8% of websites from the United Kingdom.

Statistics based on 183K+ 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 22.4%, followed by Crazy Egg with 11.9% and OptinMonster with 7.7%.

VWO 22.4%
Crazy Egg 11.9%
OptinMonster 7.7%
Shogun 7.1%
Convert 6.5%
Optimizely 6.3%
PostHog 6.1%
AB Tasty 4.7%
OptiMonk 4.3%
Zoho PageSense 4.2%
Nosto 3.3%
Webtrends Optimize 3.1%
Intelligems 2.9%
Shoplift 2.7%
Other 6.8%

🚀 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.

4. Shogun ^(-2)
5. Convert ^(-2)
8. AB Tasty ^(-5)
9. OptiMonk ^(-1)
11. Nosto ^(-7)
12. Webtrends Optimize ^(-22)
14. Shoplift ^(-2)
16. Visually ^(-7)
18. Dynamic Yield ^(-3)
19. Monetate ^(-6)

✨ Best A/B Testing Tools

Below is a more detailed list of the top 25 of the 45 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	22.4%
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	11.9%
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	7.7%
4	Shogun Walnut, California, United States An e-commerce optimization and personalization platform for Shopify that provides a visual page builder and A/B testing tools. $39+/month	7.1%
5	Convert Claymont, Delaware, United States An advanced A/B testing and personalization platform for websites and web apps. $399+/month	6.5%
6	Optimizely New York, United States A digital experience platform that specializes in content management, e-commerce personalization, experimentation, and feature delivery. $36,000+/year	6.3%
7	PostHog San Francisco, California, United States An open-source product analytics platform available as a self-hosted deployment or managed cloud service. FreeOpen source$$$	6.1%
8	AB Tasty Paris, France A digital experience platform that enables website teams to run A/B testing, multivariate tests, personalized content experiments, and user experience optimization. $1,000+/month	4.7%
9	OptiMonk Debrecen, Hungary A conversion rate optimization platform for e-commerce businesses that provides popups, gamification widgets, website personalization, and A/B testing. Free$29+/month	4.3%
10	Zoho PageSense Chennai, India A conversion rate optimization and web analytics platform that enables businesses to use heatmaps and session recordings, track conversion funnels, and run A/B and split-URL tests. $20+/month	4.2%
11	Nosto Helsinki, Finland An intelligent commerce experience platform that integrates with e-commerce systems such as Shopify, Magento, Adobe Commerce, Shopware, BigCommerce, and VTEX to deliver personalized shopping experiences. $$$	3.3%
12	Webtrends Optimize Egham, United Kingdom An enterprise-grade A/B testing and personalisation platform using conversion rate optimisation tools. Free tier$179+/month	3.1%
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. $69+/month	2.9%
14	Shoplift New York, United States A conversion rate optimization and A/B testing platform built specifically for Shopify. $99+/month	2.7%
15	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	2.4%
16	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	1.8%
17	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	1.4%
18	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%
19	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	1.2%
20	Justuno Fairfax, California, United States A conversion optimization and visitor engagement platform for e-commerce websites that uses behavioral data and automation to display targeted marketing and lead generation campaigns. Free$39+/month	1.2%
21	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%
22	Plerdy Lviv, Ukraine A conversion rate optimization platform that includes analytics and A/B testing tools. Free$21+/month	0.9%
23	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	0.9%
24	Omniconvert Bucharest, Romania A complete conversion optimization solution that integrates A/B testing, personalization, overlays, and surveys. Free$273+/month	0.8%
25	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	0.8%

👉 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 183,867 websites from the United Kingdom.
We currently track the presence of 47 A/B testing tools across the web.
Of these, 45 were detected on websites from the United Kingdom.
Statistics were last calculated on September 19, 2026.
For more details, see our methodology and disclaimer.