
Description: A website crawler is a software program that browses the web in an automated manner. It systematically scans and indexes web pages, following links to crawl through websites. Website crawlers are used by search engines to update their search results.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Screaming Frog SEO Spider is a desktop program used to crawl websites to analyze their SEO, check for broken links, generate sitemaps, and more. It provides detailed reports on on-page elements like titles, metadata, headings, images, and internal links.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API