Screaming Frog SEO Spider is a website crawling tool that allows users to analyze and audit their website's structure, content, and technical SEO aspects. Developed by Screaming Frog, a UK-based digital marketing agency, this software has become a go-to solution for SEO professionals, webmasters, and digital marketers worldwide. The tool's primary function is to crawl a website, identifying areas of improvement and providing actionable insights to enhance search engine rankings.