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Most Useful Visual Regression Tools for WordPress

Visual regression testing is an important part of developing a WordPress website. It ensures that the design and functionality of the site remain consistent throughout its development. With the help of visual regression testing tools, developers can identify and fix any visual bugs or inconsistencies before they become a problem.

Don’t worry if you’re new to VRT – there are plenty of easy-to-use tools that integrate perfectly with WordPress sites. In this post we’ll introduce visual regression testing and review five fantastic options available now – let’s dive in!


VRT is a must to make sure that the visuals of your site are flawless and free from any bugs or changes. Normal functional tests may be insufficient to accurately identify minor visual glitches.

Visual Regression Testing helps you to monitor the progress of your website. The tool takes screenshots of all pages and then tests them again at regular intervals. This enables it to compare the changes that have taken place and notify you about any modifications that have been made. 

VRT technology has the ability to detect a variety of items, such as:

Altering your WordPress site (e.g. updating core, themes, or plugins) can lead to potential mistakes. In order to protect yourself against this risk, it is important to take proper precautionary measures prior to making any adjustments. By implementing VRT tools onto our sites, we have an extra layer of protection against all kinds of errors; ensuring smooth running UX for visitors on every single page they explore. Thus, these kinds of tools can ensure that you maintain a good UX.

Important Factors

It’s important to choose the right visual regression tool for your website, and there are a few key factors you should keep in mind.

By considering the factors above, you’ll be able to choose a visual regression testing tool that fits your needs best.

In this article, we will discuss five of the best visual regression testing tools for WordPress. We will look at their features, use cases, and how they can help make sure that your WordPress website looks perfect every time. So let’s get started!

VRTs – Visual Regression Tests is a powerful, user-friendly tool designed to find broken links and errors in WordPress websites. You can control Visual Regression Tests from inside the WordPress dashboard, without having to rely on external services.

The best part is that Visual Regression Tests is easy to install, it also operates automatically. Therefore, there’s no need for coding skills or ongoing maintenance—it just works!

When the plugin is activated on your site, it will take a snapshot of what that page looks like. Then, every day and whenever you update content—the test compares these two snapshots to see if anything has changed. If there is a discrepancy, you will receive an email notification. You can view the changes in the plugin’s Alert section.

Key Features

Screenster is the perfect solution for effectively and efficiently testing your UI. From detecting visual changes to recording site interactions, this powerful tool provides a wide range of features that help you optimize web actions quickly! Plus, with its advanced configuration settings, you can customize tests and exclude certain elements from comparison effortlessly. 

And most importantly – Screenster works faster than other alternatives so it takes only 5-30 minutes to develop tests each month and just three hours in total per month maintenance time. Be aware though; using all these great benefits requires some server knowledge when setting up on either their cloud or local computer installation – there’s definitely a learning curve here!

Key Features

Percy is an automated visual testing tool created by BrowserStack. It’s a popular option, trusted by brands like Microsoft, Expedia, and Twitter—all of which use Percy to capture screenshots that can then be compared pixel-by-pixel against the baseline while highlighting any changes or bugs in your UI.

Percy is built for collaboration and teamwork. The platform creates visual reviews with comment sections so that team members can discuss projects together, and everyone on the team will be notified when a new project is started or updated. In short, Percy is an online platform that lets you create visual reviews and keep your team in the loop.

This tool was designed to slot right into your existing workflow, it can be integrated with test automation frameworks or even implemented directly within your application.

Key Features

Wraith is a web page screenshot comparison tool developed by the BBC that uses headless browsers, image editing software, and Ruby to enable fast feedback for front-end changes.

Bug reduction is one of these features. Moreover, you can produce tests that target specific pages or CSS classes. However, new users may find Wraith too complicated because it requires installation and scripting knowledge.

You will receive a gallery.html file with image comparisons in a PNG-format diff package. Plus, you’ll be sent a data.txt file that shows the percentage of pixels on which changes were made.

Wraith is open-source and completely free.

Key Features

Have you heard of BackstopJS? It’s an open-source tool that can help make sure your web applications look the same on every device and browser. With it, you’ll be able to monitor changes over time with just a few clicks. 

The setup requires some technical know-how though – such as installation and scripting in Resemble.js, CasperJS, and Phantom JS – but once set up its usage is super simple! You provide URLs, cookies, etc., then create reference screenshots which are continuously monitored for changes or inconsistencies by comparison; any amendments will show up within a visual report so there’s no need to worry about potential discrepancies slipping through the cracks anymore! Give BackstopJS a try today & keep your online presence looking sharp across all devices.

Key Features


Overall, these visual regression testing tools for WordPress can drastically improve the speed and efficiency of website development. They enable teams to detect regressions immediately and correct them rapidly, creating a smoother user experience in the process. Don’t underestimate the power of visual regression testing: it’s an essential component for building and maintaining high-quality websites. Change is inevitable but with these tools, ensuring continuity across different versions of a site doesn’t need to be sacrificed. Get set up with a tool today and watch your workflow operations become smoother than ever before! If you have any questions or comments on the tools mentioned here, please let us know in the comments below – we love hearing from our readers!

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