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See how A/B testing works with Optimizely Web Experimentation

Get a free intro into running experiments with Optimizely's A/B testing tool. Set up tests, validate your hypothesis and learn on the fly with World's #1 A/B testing platform.

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Your website is evolving, why not test at scale?
They don’t call us the world’s fastest A/B testing platform for nothing, let us help you uncover customer insights and create high-performing websites in the blink of an eye. Watch this video to see Optimizely Web Experimentation in action.

Don’t guess, A/B test

Test changes before rolling them out across your website. Learn what actually improves performance. Run multivariate tests, multi-armed bandits, A/B/n tests, backed by data science.

Move the needle

Quickly set up tests with our visual editor, measure with events and optimize for the metrics that matter the most to your business. Any marketer can do it!

Increase revenue

Convert more of your traffic into real world sales and conversions using experimentation. Use personalization to show them 1:1 custom touchpoints using data from your website.

What is conversion rate optimization?

Conversion rate optimization (CRO) is the process of increasing the percentage of conversions from a website or mobile app. CRO typically involves generating ideas for elements on your site or app that can be improved and then validating those hypotheses through A/B testing and multivariate testing.

What is A/B testing?

A/B testing (also known as split testing or bucket testing) is a method of comparing two versions of a webpage or app against each other to determine which one performs better. A/B testing is essentially an experiment where two or more variants of a page are shown to users at random, and statistical analysis is used to determine which variation performs better for a given conversion goal.

Experimentation is a central part of our growth story. It’s really the pulse and heartbeat of the business. So Optimizely has really played a central role in helping us become more disciplined and focused about the way that we do experiments and ultimately drive growth in the business.

Robert Chatwani

Chief Marketing Officer Atlassian
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What is personalization?

One size fits all is no longer a viable marketing approach. Consumers expect a personalized experience, whether that’s on a website, in an email message or on social media. When you want to attract more customers, you need to embrace personalization. Read on to learn more.

What is multivariate testing?

Multivariate testing is a technique for testing a hypothesis in which multiple variables are modified. The goal of multivariate testing is to determine which combination of variations performs the best out of all of the possible combinations. Websites and mobile apps are made of combinations of changeable elements.

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