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Split URL, A/B and Multivariate Testing

Optimize your site for conversions and revenue with A/B, split URL and multivariate tests

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What is A/B Testing? The Complete Guide (2021)

Stephen Courtney

by Stephen Courtney

11 January 2021

Views: 25,551
what is ab a b split testing

Reading Time: 8 minutes What is A/B Testing? A/B Testing involves two versions of a single webpage. Version A is the current version (the ‘Control’), while version B is the modified page (the ‘Treatment’). By running both pages simultaneously, you can easily see which one generates more sales or sign-ups.  Running A/B tests is the only way to optimise a website […]

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what is ab a b split testing

How To Do A/B Testing

Philippe Aimé

by Philippe Aimé

03 January 2021

Views: 11,965
a/b testing

Reading Time: 15 minutes An A/B test compares two versions of a single webpage: A and B. Your traffic is divided between them and their conversion rates are compared. That way, it’s easy to see which version gets the most clicks, sales and sign-ups. By learning how to do A/B testing, you can optimize your website page by page. […]

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a/b testing

24 Best A/B Testing Tools in 2021 (Reviewed by CRO Experts)

Stephen Courtney

by Stephen Courtney

02 January 2021

Views: 35,392
a/b testing tools

Reading Time: 12 minutes So, you’ve decided to use an A/B testing tool to optimise your website – how do you know which one is best for you? Our CRO Experts reviewed 24 of the most popular A/B testing tools to help you pick the best one for your business. There are now 24 major A/B testing tools on the market (not to […]

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a/b testing tools

AB Testing Sample Size: The 4 Levels of Difficulty

Philippe Aimé

by Philippe Aimé

01 January 2021

Views: 26,586

Reading Time: 8 minutes We get lots of different questions from people who are interested in A/B testing, but there’s one question we hear more than any other: “Can I do A/B testing with under 100,000 visitors a month?” A surprising number of optimisation projects end up being useless and AB testing sample size is often the reason. This article will show […]

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AB Test Significance

Stephen Courtney

by Stephen Courtney

30 April 2020

Views: 10,598
AB testing statistical significance

Reading Time: 4 minutes Enter the data from your “A” and “B” pages into the AB test calculator to see if your results have reached statistical significance. Most AB testing experts use a significance level of 95%, which means that 19 times out of 20, your results will not be due to chance. Conversion Rate This is the number […]

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AB testing statistical significance

Make Sense of Your AB Test Results Instantly

Stephen Courtney

by Stephen Courtney

29 April 2020

Views: 2,223

Reading Time: 4 minutes You can now view your AB test results in unprecedented detail, marking key moments in your experiment and comparing your conversion rates to changes in your page’s traffic. The new Convertize results page incorporates three innovative features that make your data easier to analyse and interpret. Together with the A/B testing Smart Editor and Traffic […]

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Where To Start With A/B Tests

Benjamin Ligier

by Benjamin Ligier

10 March 2020

Views: 4,289
a b tests where to start

Reading Time: 5 minutes Getting started is always the hardest part, and A/B tests can be overwhelming. There are countless guides to A/B testing, but they often take for granted the most obvious questions: What should I test? Will it be worth it? Does A/B testing really work? This article answers those questions, and will help you to focus on […]

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a b tests where to start

The Practical Guide To AB testing statistics

Stephen Courtney

by Stephen Courtney

11 February 2020

Views: 5,659
ab testing statistics

Reading Time: 13 minutes A/B testing allows you to prove which version of a webpage is best. If your goal is to convert browsers into buyers, a test will give you a solid answer. However, before you start a complete website redesign, it’s important to make sure your results are reliable. Learning how to work with AB testing statistics is one […]

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ab testing statistics

8 Cheaper Optimizely Alternatives for A/B Testing in 2021 (Compared by CRO Experts)

Stephen Courtney

by Stephen Courtney

04 January 2020

Views: 5,589
alternative ab testing tools

Reading Time: 10 minutes In 2018, Optimizely removed the pricing plans that made A/B testing possible for thousands of businesses – forcing them to look for a cheaper Optimizely alternative. Three years on, this article asks whether predictions about the “death of A/B testing” were correct, and considers the best Optimizely alternatives in 2021. To understand why the changes introduced by Optimizely […]

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alternative ab testing tools

AB Tasty Launches Nudge Engagement – Inspired by Convertize

Philippe Aimé

by Philippe Aimé

26 February 2019

Views: 3,374
nudge engagement ab tasty

Reading Time: 8 minutes AB Tasty has announced the release of a new notification system for communicating Social Proof and Urgency to online customers: Nudge Engagement. At first, we were excited to see what our rivals had come up with. However, after reading the press release, we couldn’t help but notice that the system sounded strangely familiar. In fact, […]

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nudge engagement ab tasty

10 Questions To Choose The Best A/B Testing Tool For Your Business

Stephen Courtney

by Stephen Courtney

18 January 2019

Views: 7,419
best a/b testing tool

Reading Time: 10 minutes Once you have decided to optimize your conversion rate, choosing the right method is the next step. There are three main options: Hiring a CRO Agency Performing CRO without A/B testing (Price Optimization, CRO Apps or Neuromarketing) Purchasing your own A/B testing software All three options provide an effective way to optimize your site. However, learning […]

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best a/b testing tool

The 13 Most Common A/B Testing Mistakes (And How to Avoid Them)

Stephen Courtney

by Stephen Courtney

11 January 2019

Views: 8,921
ab testing mistakes

Reading Time: 7 minutes On average, only 12.5% of A/B tests produce significant results. More worryingly, over half of first-time A/B test users say they are dissatisfied with the results of their tests. Finding the right hypotheses to test and getting reliable results is not easy. So, what are the most common A/B testing mistakes, and how do you […]

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ab testing mistakes

Page Speed: How to Avoid Loading Speed Issues in A/B Testing

Benjamin Ligier

by Benjamin Ligier

25 September 2017

Views: 10,905

Reading Time: 14 minutes The challenge of any SaaS provider is to continuously find ways to improve its software. As Convertize has evolved, we have worked hard to develop our A/B Testing system so that it is secure, reliable and easy to use. One of our priorities has been to ensure we deliver the best page load speed possible […]

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Managing A/B Testing Goals just got easier with Convertize

Aleksander Gora

by Aleksander Gora

28 June 2017

Views: 2,270

Reading Time: 2 minutes When optimising your website, you usually have a set of goals which define your conversions: usually a Lead or a Sale. Conversion optimisation is a very iterative process: you continuously test, learn and improve. This implies that you re-use similar “Goals” from an experiment to another. And ideally, you want to save time by not […]

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Want to make A/B testing more effective?
Use Neuroscience.

Philippe Aimé

by Philippe Aimé

16 October 2016

Views: 2,029
user experience as a cro tool

Reading Time: 3 minutes Are you happy with your current A/B test results? How can you be sure you’re testing the right things and making effective improvements that will impact your KPIs? While many A/B testing solutions offer a wide variety of features, in actual fact the best results only result from a small proportion of these. Not only […]

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user experience as a cro tool

What The Birthday Paradox Can Teach You About A/B Testing

Benjamin Ligier

by Benjamin Ligier

16 August 2016

Views: 2,150
the birthday paradox

Reading Time: 3 minutes Three years ago, the Convertize team was made up of just 25 people. By happy coincidence, two of our team members were born on the same day: 7 July. We thought it was pretty exceptional to have two members of such a small team with the same birthday so we decided to use it as […]

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the birthday paradox

Does A/B testing work?

Philippe Aimé

by Philippe Aimé

01 April 2016

Views: 3,240

Reading Time: 4 minutes Over the past 5 years A/B testing has become standard industry practice. According to a study recently conducted by Econsultancy, 67% of businesses use A/B testing to optimise their conversion rates. However, despite this, 90% of A/B testers say that they’re unsatisfied with the results! With this alarming statistic in mind, we decided to ask the question: does A/B […]

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Most Read Articles
a/b testing tools
24 Best A/B Testing Tools in 2021 (Reviewed by CRO Experts)
AB Testing Sample Size: The 4 Levels of Difficulty
what is ab a b split testing
What is A/B Testing? The Complete Guide (2021)
a/b testing
How To Do A/B Testing
Page Speed: How to Avoid Loading Speed Issues in A/B Testing

Resources

Resources
Neuromarketing Glossary: A dictionary of cognitive biases, behavioural effects and neuromarketing terms
The Complete A/B Testing Guide 2020
AB Test Significance

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