SiteLab is a free, in-depth analysis tool that decodes a website's technological DNA. We use our proprietary AI engine, SYNAPSE, to let you discover competitor libraries, determine your code's age (from "Legacy" to "Modern"), and measure technical debt with a holistic A-to-F score. It provides the concrete data necessary to boost your site's performance and Technical SEO, offering an essential roadmap for developers, marketers, and site owners. Start your free analysis today!
CSS, JS, HTML Technology DetectionAnalyzes whether a website's CSS and JS codes are up to dateDec 2025
