The visual quality of an application shapes a customer’s first impression. When the look and feel are palatable, users tend to explore the application further. Imagine you need to make a payment online, and the Continue button looks like it does in Figure 6-1. Would you trust this site? I wouldn’t. I would choose a competitor’s website rather than risk losing my money!
Figure 6-1. A sample payment UI where the button text is cropped
Businesses spend a lot on advertisements, freebies, and campaigns to acquire more customers, but software teams often forget to focus on visual quality—which is like building a luxurious house and forgetting to paint it. An application’s visual quality takes the business closer to the customer and helps gain their affinity—which directly amplifies the brand value. Visual testing is all about validating an application’s visual quality, using both manual and automated testing methods. (Validating the user experience, or UX, design falls under usability testing, not visual testing, and is discussed in Chapter 10.)
Visual testing involves confirming whether the application design appears as expected in terms of each element’s size, color, and relative positioning, and similar visual attributes across devices and browsers. AI has been doing automated visual testing since 2013, combining computer vision and deep learning technologies. ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
