Which approach allows users to access responsive layouts on various devices?

The approach that allows users to access responsive layouts on various devices is Responsive Web Design. This method focuses on creating web pages that adapt smoothly to various screen sizes and resolutions, ensuring optimal viewing and interaction experiences on different devices, such as smartphones, tablets, and desktops. Responsive Web Design employs fluid grids, flexible images, and CSS media queries to achieve a layout that changes according to the user's device, enhancing usability and accessibility.

By prioritizing a seamless experience across all devices, Responsive Web Design eliminates the need for separate mobile versions of a website, making it easier to maintain and providing a consistent experience for users. This approach is especially crucial in today’s multi-device landscape where users expect websites to be easily navigable regardless of the device they are using.