siteone-crawler-gui

SiteOne Crawler GUI is a cross-platform website crawler and analyzer for SEO, security, accessibility, and performance optimization—ideal for developers, DevOps, QA engineers, and consultants. Supports Windows, macOS, and Linux (x64 and arm64). Maintained by janreges on GitHub, where it has earned 242 stars from the community.

It's actively developed around accessibility, best-practices, crawler, and is a solid reference for anyone building with these tools.