Page Speed & Core Web Vitals

by psp.medeti@gmail.com · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Measure Core Web Vitals (LCP, CLS, INP) and diagnose what's hurting your page speed.

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#152K

#127K among extensions

Version

2.0.0

updated 16 Apr 2026

Users

monthly, 8 months

Latest, 21 Oct 2026: 21 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months

Latest, 21 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 Page Speed & Core Web Vitals

Page Speed & Core Web Vitals is a lightweight Chrome extension that measures Core Web Vitals (LCP, CLS, INP) for the currently opened web page using browser performance APIs. The extension works instantly without any login, account, or external service. All metrics are calculated locally in the browser and displayed in a clear visual format for easy understanding. Features: • Largest Contentful Paint (LCP) • Cumulative Layout Shift (CLS) • Interaction to Next Paint (INP) • Real-time metrics for the current page • No tracking, no sign-in, no data collection This tool is useful for SEO professionals, developers, and website owners who want quick performance insights while browsing.