Analyze website performance with Core Web Vitals, resource analysis, and optimization suggestions
Users
251
+10 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#58K
#49K among extensions
Version
1.0.24
updated 4 Oct 2026
Users
monthly, 12 months
Latest, 17 Oct 2026:251 usersMove the mouse over the chart for any month
Ratings count
monthly, 12 months
Latest, 17 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Website Page Speed Test - Core Web Vitals and Real User Data (CrUX) reports
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!
Growth
Window
Users
Change
Ratings
Rating
7 days
+10
+4.1%
0
0.00
30 days
+10
+4.1%
0
0.00
6 months
+155
+161.5%
0
0.00
1 year
+248
+8266.7%
0
0.00
Chrome Web Store search rankings
Where Website Page Speed Test - Core Web Vitals and Real User Data (CrUX) reports appears when people search the store, with the 30 day change