Free Tool

Free Website Speed CheckCore Web Vitals in seconds.

See your real performance score from Google. We test LCP, FCP, TBT, CLS, and Speed Index using live Google PageSpeed Insights data.

Performance ScoreLargest Contentful Paint (LCP)First Contentful Paint (FCP)Total Blocking Time (TBT)Cumulative Layout Shift (CLS)Speed Index

Free Speed Check

Speed data is fetched from Google PageSpeed Insights in real time. Results may vary based on server load and network conditions at the time of the test.

What are Core Web Vitals?

Core Web Vitals are Google's official performance benchmarks. In 2024 Google confirmed they are a ranking signal. Failing them means lower rankings and more visitors leaving before your page even loads.

LCPLargest Contentful Paint

Good

Under 2.5s

Poor

Over 4.0s

Measures how long it takes for the largest visible element (hero image, headline) to load. This is what users perceive as your site being ready.

INPInteraction to Next Paint

Good

Under 200ms

Poor

Over 500ms

Measures how quickly your page responds when a user clicks or taps. Replaced FID as a Core Web Vital in 2024. Slow INP feels clunky.

CLSCumulative Layout Shift

Good

Under 0.1

Poor

Over 0.25

Measures visual stability. A high CLS means page elements jump around as they load, which frustrates users and signals poor build quality to Google.