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Visual testing

Blog: Capgemini CTO Blog

Visual regression testing is a quality assurance activity verifying whether the visual aspects of the UI seem appropriate to the user. It aims to verify that if the correct data, images, and content are displayed to the user. It also checks the layout and look and feel of each element that appears on the UI.

Source: Medium

A standard method of doing visual regression testing is to capture screenshots of the current UI and compare them with the originals. Essentially, visual regression testing looks at the historical differences. It confirms that the web page still displays as expected across different browsers, even after changes are made to the code.

Visual regression testing is highly recommended where the applications are customer-facing and the appearance and usability of the application has direct impact on the brand. Some of the recommended areas are:

There are two main ways in which you can do visual regression testing:

Today, there is wide variety of visual testing automation tools available, both open source and commercial.

Open-source tools

Commercial tools


Applitools is an AI-powered visual testing and monitoring platform. Applitools Visual AI is easy to set up and integrates with all modern test frameworks.

Applitools is built to test all the elements that appear on a screen with just one line of code. Using Visual AI, you can automatically verify that your web or mobile app functions and appears correctly across all devices, all browsers, and all screen sizes.

Seamless integrations with your existing test and deploy workflows allows you to add functional and visual assertions to your code in minutes. Use your favorite open source or proprietary tools, cloud-based testing platforms, CI and collaboration software.

For more information on site reliability engineering, please contact Rizvan Saiyed @ and Priya Telkar @

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