The Screaming Frog SEO Spider is a popular desktop application used for website crawling, SEO audits, and technical optimization. It helps users identify issues, analyze data, and optimize their website's structure, content, and performance.

And if you truly cannot afford it: ✅ Learn wget --spider + grep ✅ Use online crawlers with free tiers (SiteBulb, Lumar, Oncrawl free trials) ✅ Contribute to open-source crawlers