
Description: The W3C Mobile Checker is a free online tool that analyzes web pages for mobile-friendliness, accessibility, and speed. It checks compliance with best practices and web standards for delivering optimal mobile web experiences.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The Google Mobile Friendly Test is a free tool that analyzes a URL and detects if a website is mobile-friendly. It checks if the content is readable on a mobile device and provides suggestions to improve the mobile-friendliness.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API