The ability to examine and modify the underlying code of web pages directly on mobile devices running the Android operating system allows developers to understand how a webpage is constructed and rendered. It facilitates debugging and troubleshooting by revealing the HTML, CSS, and JavaScript that compose a site. For example, it is possible to pinpoint the source of a layout issue on a responsive website by inspecting its elements on a phone or tablet.
This functionality provides significant advantages for web developers and designers. It allows for rapid iteration and testing of design changes without requiring a desktop computer. Furthermore, it is valuable for reverse engineering web pages to understand specific design patterns or implementation details. The origins of web page inspection tools trace back to early desktop browsers, but their availability on mobile platforms has democratized web development and made it more accessible.