Best A/B Testing WordPress Plugins 2021

Webmasters and marketers are constantly looking for tools and tricks to improve their websites because it’s the only way to stay competitive and keep pace with their biggest rivals. A/B testing takes a special place in this process, helping website administrators to improve the overall performance element by element.

A report reveals that A/B testing represents the second most popular conversion rate optimization tactic, right after customer journey analysis. It used to be a complex and time-consuming process, but now you can do it quickly using state of the art tools.

We will explain to you the benefits of this marketing strategy and show you the 10 best A/B testing WordPress plugins. Let’s take a look!

Check out: Best Newsletter WordPress Plugins

A/B Testing: Definition and Benefits

Before we get into details of various WordPress A/B testing plugins, we want to discuss this concept a little deeper and describe how it works. By definition, A/B testing is an online marketing tactic where different versions of a product are used to see which one users or consumers prefer.

It is also known as split or bucket testing. In terms of WordPress websites, A/B testing means comparing different webpage elements such as titles, color schemes, imagery, calls to action, content, header, footer, widgets, page layout, and many other components. This process brings you a number of different benefits, with the most important ones being these:

  • Higher conversions
  • A long-term sales increase
  • Reduced bounce rates
  • Improved content engagement
  • Reduced cart abandonment
  • Additional data for analysis

Top 10 WordPress A/B Testing Plugins

Now that you’ve seen some practical advantages of A/B testing, it is time to check out the most productive WordPress plugins in this field. Without further ado, here are our top 10 picks:

Google Optimize

Google offers you a wide range of website optimization tools and A/B testing is not an exception. Google Optimize is a free plugin that allows you to tailor a website so as to match the specific needs of your target audience. It also offers a paid package, but the free version is more than enough for most users.

READ  Best Live Chat Plugins for WordPress Website 2021

This tool is natively integrated with Google Analytics, so you can quickly understand how your website can be improved. Google Optimize has a simple and intuitive user interface, which means that even beginner-level webmasters can quickly learn how to use it.

WordPress Landing Pages

WordPress Landing Pages plugin gives administrators the ability to monitor and track conversion rates, run split tests on landing pages, and increase lead flow in the process. Web design specialists at A-writer stick to this plugin because they enjoy the Visual Editor: “Using this feature, you can track changes in real-time and see how your landing pages evolve.” Besides that, WordPress Landing Pages has a massive library of templates that you can choose from it you don’t want to spend time creating a custom design.

Nelio A/B Testing

If you want to go beyond content and analyze the whole WordPress website, then Nelio A/B Testing might as well be the best solution for you. The plugin is all-encompassing and it gives you a plethora of customization options, so you can split test all parts of your content as well as themes, menus, and other elements.

Furthermore, you can use Nelio A/B Testing to check out alternative names, featured images, and descriptions for your products, and use your orders as conversion actions (so that you can make sure that a certain product has been purchased). The tool comes with a free trial, so don’t hesitate to make use of it.


Instapage is essentially a landing page platform with its own split testing tool. You can use it to build a brand new landing page or copy the existing one and launch the A/B test. All results will appear in the dashboard and it’s extremely easy to compare results. The one thing that makes Instapage a little annoying is the fact that you have to pay a monthly fee if you want to use its A/B test: the cheapest package including this feature costs $99 a month.

READ  Top WordPress Plugins of 2021 (UPDATED)

Thrive Optimize

Thrive Optimize is an A/B testing plugin “made especially for data-driven non-techies.” According to tool developers, trusting the marketing gurus is just plain dangerous and you need a reliable split testing plugin to make sure one landing page element is better than the other.

Marketers at College-Paper frequently use Thrive Optimize to test and compare revenue growth, but they also highlight the importance of testing objectives such as subscriptions and visit goal page. The plugin requires a one-time payment, after which you can use it as many times as you want.

WordPress Calls to Action

Conversion rates depend primarily on calls to action, which makes split testing even more significant. WordPress Calls to Action is designed with inbound marketing best practices in mind to help webmasters drive and convert more leads on their site.

With this tool, you can track conversion rates on your CTAs for continuous optimization. At the same time, there are the options of adding popup CTAs or cloning the existing solutions to play with different variations. WordPress Calls to Action is easy to use and provides users with efficient support.

Visual Website Optimizer

Visual Website Optimizer (VWO) is a comprehensive A/B testing and conversion optimization platform. It gives you the possibility to conduct visitor research, build an optimization roadmap, and run continuous experimentation. Content creators prefer VWO and they explain how the three-step testing process works:

  • Make different variations of the page using VWO editing tools
  • Select the goals of your A/B testing
  • Check out the data in the tool’s dashboard

Title Experiments Free

A headline is the first thing website visitors see, so you need to make sure that every title is perfect. Just like the name suggests, Title Experiments Free is a WordPress plugin that enables you to test multiple headline solutions and discover what your readers find interesting. You can use this tool free of charge, but there is also a paid version just in case you demand advanced statistics or need to test multiple features images.

READ  11 Best Free Avatar WordPress Plugins (2022)

Simple Page Tester

This is another WordPress plugin on our list that has the primary goal to ensure easy A/B testing. Simple Page Tester is not only effortless but it also takes care of SEO and helps you come up with Google-friendly content solutions.

The basic version is free, but the premium package gives you in-built conversion tracking and breakdowns of how well your split test is going along with automatic statistical confidence calculations. Besides that, Simple Page Tester offers full conversion tracking and statistical analysis, so you can’t miss a single detail that makes an impact on website visitors.

AB Press Optimizer

AB Press Optimizer is a WordPress plugin that allows you to build dozens of different versions of your images, buttons, content blocks, forms and headlines within minutes. You can create as many experiments as needed to see which optimizations help your customers convert best.

AB Press Optimizer makes it possible to independently track conversions and visitors for each version, keeping an eye which one is converting best. You have the flexibility to test any element on your theme, page, post, and custom post type.


A/B testing is one of the surefire ways to improve your website and increase conversion rate in the long run. However, you don’t want to do it manually, but rather use a special tool to make the process faster and more efficient. In this post, we presented you top 10 A/B testing plugins for WordPress, so make sure to give them a try and help your business grow quickly.

Short bio: Warren is a marketing enthusiast and a blogger at, who loves music. If he doesn’t have a guitar in his hands, he’s probably embracing new technologies and marketing techniques online! You can meet him on Twitter and Facebook.

Leave a Comment