Use for actions that don’t take the user to a new page.Make sure all items on the page can be reached.Avoid removing the default outline of focusable elements with things like outline: 0 or outline: none.Sighted users rely on some kind of visual indicator to know where their focus is. Make sure it’s clear which element currently has focus.Here are the main things to watch out for when building our app so that we don’t break keyboard navigation: Press ↑, ↓, ←, and → to scroll vertically and horizontally, or to cycle through lists of options.Press Space while focused on a checkbox or dropdown to interact with it.Press Enter while focused on a link or button to interact with it.Press Tab to move the focus through links and form controls, and Shift + Tab to move the focus backward.Navigating a web app using the keyboard is relatively straightforward: You can probably think of other scenarios where navigating using the keyboard is preferred. Users with visual disabilities may not be able to locate the cursor on the screen. Why would someone navigate our app using the keyboard exclusively? Users with motor disabilities may not be able to rely on mice or trackpads to interact with their computer, because those devices require fine finger control.
#Accessibility screen reader testing tools how to
In this article, we’ll describe how to navigate our apps using the keyboard, and how to use VoiceOver, a popular screen reader that comes built into Apple’s iOS and macOS operating systems. While some aspects of accessibility can be tested automatically with tooling, others, such as keyboard navigation or compatibility with various assistive technologies, are better tested manually. That’s one billion potential customers you’re turning away. They don’t realize that 15% of the world’s population lives with some form of disability.
Many developers treat accessibility as an afterthought, thinking that only a minority of their userbase would benefit from the effort. When we talk about accessibility in the context of the web, we talk about building sites and apps that everyone can navigate and interact with. Let's walk through best practices for keyboard navigation testing and explore navigation with VoiceOver, a popular screen reader. Some aspects of accessibility can be tested with tooling but others, such as keyboard navigation, are better tested manually.
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