SiteOne Crawler is a free, open‑source, cross‑platform tool that crawls and analyzes websites for SEO, security, accessibility, and performance optimization. It can also export sites offline, generate sitemaps, and produce detailed audit reports.

📊 Generate clear audit reports for SEO, performance, and accessibility

🛡️ Identify security weaknesses and best‑practice issues

🌐 Export entire websites to offline/archive form

📝 Convert sites to Markdown or JSON for integration

⚡ Command‑line and desktop app support (Windows, macOS, Linux, x64 & arm64)

📤 Share HTML reports via secure unique URLs

Perfect for: Developers, DevOps, QA engineers, SEO specialists, and website owners who want deep insights and practical tools for site optimization.