
Description: PageSpeed Insights is a free tool by Google that analyzes the performance of a website and provides suggestions to make it faster. It examines factors like page load speed, time to interactive, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Site monitoring software checks a website periodically to ensure it is up and running properly. It alerts you if your site goes down or has other issues like slow load times. Popular options include Uptime Robot, Pingdom, and SolarWinds Web Help Desk.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API