Firefox 149 beta: web browsing on a split screen

The next version of Firefox, currently in beta (version 149), introduces a feature that allows you to view two web pages side by side within the same browser window. This implementation allows users to compare content, consult information from different sources, or simply improve workflow when working with multiple websites simultaneously.

The division between the two pages is adjustable via a separator that can be dragged with the mouse, offering granular control over the display area dedicated to each page. This feature may be particularly useful for activities such as comparative product research, text translation, or consulting technical documentation during web application development.

Although the source does not provide details on the specific technical implementation, it is presumed that this feature is natively integrated into the Firefox rendering engine, without requiring extensions or add-ons.