SEO Toolkit WL

Comprehensive SEO analysis tool with Core Web Vitals, PageSpeed API & export

SEO Toolkit WL is a comprehensive, all-in-one SEO analysis tool that runs directly in your browser. No external servers, no data collection — everything is processed locally for maximum privacy and speed. 🔍 WHAT IT ANALYZES Meta Tags • Title tag length & optimization • Meta description quality • Canonical URL • Viewport & charset • HTML language attribute Social Media • Open Graph tags (og:title, og:description, og:image, etc.) • Twitter Cards markup • Missing tag detection Technical SEO • Schema.org JSON-LD structured data • Robots meta directives • Sitemap link detection Content Structure • H1–H6 heading hierarchy • Heading statistics & visualization • Multiple H1 detection Images • Alt text presence & quality • Image dimensions • Missing alt warnings Links • Internal vs external links • Nofollow attribute detection • Link count statistics 📊 CORE WEB VITALS & PERFORMANCE • First Contentful Paint (FCP) • Largest Contentful Paint (LCP) • Cumulative Layout Shift (CLS) • First Input Delay (FID) • Time to First Byte (TTFB) • DOM load time & full page load • Resource count & page size • DOM nodes & depth analysis Optional Google PageSpeed Insights integration for mobile/desktop scoring. 📄 EXPORT REPORTS • PDF — print-ready full report • CSV — spreadsheet with all metrics • Includes timestamps, URLs, status indicators 🎨 FEATURES • Dark mode UI • Color-coded status indicators (Good / Warning / Error) • Tabbed interface for easy navigation • One-click refresh • No account required • 100% free 🔒 PRIVACY FIRST • All analysis runs locally in your browser • No data sent to external servers (except optional PageSpeed API) • No tracking, no cookies, no analytics Perfect for SEO specialists, web developers, content managers, and website owners who need quick, accurate on-page SEO insights. --- Supported languages: English