Top Core Web Vitals
Core Web Vitals are Google's key metrics for measuring user experience. Our tool analyzes your LCP, FID, and CLS scores with actionable recommendations to improve them. Used by thousands of SEO professionals worldwide.
Everything you need
Largest Contentful Paint (LCP) analysis
First Input Delay (FID) measurement
Cumulative Layout Shift (CLS) detection
Time to First Byte (TTFB) check
First Contentful Paint (FCP) timing
Performance waterfall view
Resource optimization tips
Mobile performance testing
How it works
Get started in just a few simple steps
Enter your URL
Paste any URL to analyze its Core Web Vitals performance.
Run the test
We simulate real user conditions to measure your metrics.
Review your scores
See your LCP, FID, and CLS with pass/fail status.
Fix the issues
Follow our prioritized recommendations to improve scores.
Why use our tool?
Perfect for
Frequently asked questions
What is LCP (Largest Contentful Paint)?
LCP measures how long it takes for the largest visible element to load. Good LCP is under 2.5 seconds.
What is CLS (Cumulative Layout Shift)?
CLS measures visual stability - how much elements move around as the page loads. Good CLS is under 0.1.
Do Core Web Vitals affect rankings?
Yes, Google uses Core Web Vitals as a ranking signal. Sites with good scores may rank higher than those with poor scores.
How can I improve my scores?
Common fixes include optimizing images, implementing lazy loading, removing render-blocking resources, and using a CDN.
Ready to get started?
Try our Top Core Web Vitals today and see the difference it makes for your website.
Try It Free