Website Checker by AIO.com.ai

Test SEO, speed, and security of websites. Check broken links, HTML/CSS/JS validation, duplicate content, and more!

Website Checker by AIO.com.ai is a comprehensive website analysis tool that performs instant SEO, performance, and security audits directly from your browser. With just one click, get detailed insights into your website's health without relying on external services - everything runs locally for maximum privacy and speed. Our extension performs over 50 different checks including broken link detection, HTML/CSS/JavaScript validation, duplicate content identification, meta tag analysis, image optimization opportunities, mobile-friendliness assessment, and security header verification. Whether you're a developer, SEO specialist, or website owner, Website Checker provides actionable insights to improve your site's search rankings, loading speed, and user experience. The extension features two powerful analysis modes: Quick Check for instant page-level insights and Deep Analysis for comprehensive site-wide crawling. Visual issue highlighting helps you identify problems directly on the page, while detailed reports can be exported for team collaboration or client presentations. Built with a focus on being lightweight and resource-efficient, Website Checker runs entirely in your browser without sending data to external servers. The intuitive interface supports 10+ languages and provides clear, actionable recommendations for every issue found. The extension respects your privacy - all analysis is performed locally, and no data leaves your browser. Transform your website optimization workflow with Website Checker - your all-in-one solution for maintaining a healthy, high-performing website that ranks well and provides an excellent user experience.