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Analyze website performance with Core Web Vitals, resource analysis, and optimization suggestions Analyze and optimize your website's performance with this powerful, easy-to-use Chrome extension. Get instant insights into your page speed, Core Web Vitals, and actionable optimization recommendations - all with a single click! 🚀 Key Features: Core Web Vitals Analysis Largest Contentful Paint (LCP) - Measures loading performance Cumulative Layout Shift (CLS) - Tracks visual stability Interaction to Next Paint (INP) - Evaluates responsiveness First Contentful Paint (FCP) - Initial render timing Time to First Byte (TTFB) - Server response speed First Input Delay (FID) - Interactivity metrics 📊 Performance Scoring Get an overall performance score (0-100) based on Google's Core Web Vitals standards. Instantly see if your site has excellent, good, needs improvement, or poor performance with color-coded indicators and detailed breakdowns. 🔍 Resource Analysis > Images: Identify oversized images, missing alt text, opportunities for WebP conversion, and lazy loading recommendations > CSS Files: Detect unminified stylesheets, render-blocking resources, and optimization opportunities > JavaScript: Find blocking scripts, unminified files, and code splitting suggestions 💡 Smart Optimization Suggestions Receive prioritized, actionable recommendations to improve your website's speed: 1) High-priority fixes for critical performance issues 2) Medium-priority optimizations for better user experience 3) Low-priority enhancements for accessibility and SEO 4) Estimated time savings and performance improvements for each suggestion 5) Real User Data (CrUX) reports of last 28 days 🌍 Multi-Language Support Available in English, Spanish, and French - making it accessible to developers worldwide. ⚡ Lightning Fast & Privacy-Focused 1) Works entirely in your browser - no data sent to external servers 2) Instant analysis with real-time metrics collection 3) No tracking, no ads, no subscriptions required 4) Lightweight and doesn't slow down your browsing 🔗 Integration with Industry Tools Quick links to PageSpeed Insights and GTmetrix for deeper analysis and cross-validation of results. Perfect For: 1) Web developers optimizing site performance 2) SEO specialists improving Core Web Vitals scores 3) Digital marketers enhancing user experience 4) Website owners monitoring page speed 5) Anyone who wants faster loading websites 6) Speed optimizing people who want to check the Real User Data (CrUX) reports easily. Test any website instantly and get professional-grade performance insights without leaving your browser!
Oct 4, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.