
Description: Open Site Explorer is a free SEO tool by Moz that allows you to research a website's backlink profile and analyze competitors' links. It provides metrics like Domain Authority, Page Authority, and link metrics to assess sites' SEO performance.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LinkDiagnosis is a link checker and site explorer tool that crawls websites to find broken links, analyze page elements, check SEO metrics, and monitor site changes over time. It provides comprehensive reports on detected issues.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API