Patterns & Strategies for accessible web-apps

While the experience of your app could benefit from animations, sudden movements could cause, for example, dizziness, vertigo or nausea for some of your users. Here's a strategy to deal with this.

A modal dialog requires a user's response and makes it mandatory to interact with it. Focus, both literally and proverbially, can't be moved away from the modal. Learn more about what to look out for when using dialog windows

You have to inform every user about dynamic changes in your web app - not just the ones using a visual browser. Learn more about programmatically exposing asynchronous content changes to screen readers

A Single Page Application consists of one single HTML document - anything else is being loaded without ever really navigating off of or reloading the page. This leads to accessibility challenges