WTFocus

WTFocus is a browser-accessible tool to test the accessibility of website design, specifically for focus appearance. Focus appearance is an important part of interface design, and especially impacts users that navigate webpages with input devices like keyboards and keyboard emulators, as well as users with low vision. Keyboard focus is the point of interaction between a user navigating with a keyboard, and the webpage itself in the form of "a sufficiently-visible indicator to show them which element is currently receiving focus." A high level of focus visibility ensures that the website content and structure is accessible to those who do not use a mouse to navigate. This resource allows users to test a set of style parameters on a number of standard HTML UI elements to assess the focus visibility.