MobiDevTools
A mobile devtools for debugging web sites and web apps
Considering Firefox the only browser for Android that offers the possibility of being able to install add-ons, I believe that implementing Eruda [https://github.com/liriliri/eruda], mobile devtools, in a WebExtension was for me a necessary choice for developers who concentrate on debugging web apps. Add-on allows you to view the console, DOM elements, network traffic, source code, resources, and more.
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21.07.2022 - Updated the add-on's eruda (2.5.0v)...