Toggle is a tool that provides a simple way to update preferences, settings, and other information without requiring the user to navigate through a complex process. Toggle is often used to implement responsive design in web design and application development. In responsive design, toggles are used to hide or show navigation menus, sidebars, and other components based on screen size or device. Toggle is also a powerful tool for conducting A/B tests and other types of data-driven optimizations on a website or application.

When designing a toggle button, the most important factor is to make it obvious what state the switch is in. Since toggles don’t have the benefit of an “On” or “Off” text label, it is up to designers to provide other visual cues to indicate whether a toggle is active or inactive. This can be difficult to do effectively, but some good practices for using toggles include utilizing high-contrast colors and evaluating societal and cultural implications.

It is also important for teams to test the toggle configuration that they expect to release into production. This typically means testing with all toggles that are going to be flipped On as well as a fall-back configuration where any toggles that are expected to be flipped Off are flipped on as well. It is also a good idea to perform some tests with all toggles flipped Off to ensure that any unexpected regressions are caught before they make it to production.