Site Speed Insights: Web Vitals Visualizer

by Rohit Gupta · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Analyze and visualize your website’s Core Web Vitals (LCP, INP, CLS, FCP, TTFB) in real-time

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#149K

#124K among extensions

Version

1.1.0

updated 8 Jan 2026

Users

monthly, 11 months

Latest, 16 Oct 2026: 21 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months

Latest, 16 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 Site Speed Insights: Web Vitals Visualizer

Site Speed Insights: Web Vitals Visualizer helps developers debug and visualize performance metrics directly inside the page. It measures Core Web Vitals in real time and shows interactive overlays for layout shifts, input delays, and paint timings, making it easier to understand what actually caused performance issues. It also provides optional field performance insights to help you compare live page behavior with real-user Web Vitals data. ✅ Real-time Web Vitals tracking (CLS, LCP, INP, FCP, TTFB) ✅ Overlay visualization for layout shifts, slow inputs, and paint timings ✅ Field performance insights using Chrome UX Report (CrUX) ✅ Works on any website you open ✅ No data collection — all analysis runs locally Ideal for: Front-end engineers, performance auditors, UX developers, and QA testers. Credits: Meter icons created by Freepik - Flaticon (https://www.flaticon.com/free-icons/meter)