Site Speed Insights: Web Vitals Visualizer

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Overview

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

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)

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Details

Version
1.1.0
Updated
January 8, 2026
Flag concern
Offered by
Rohit Gupta
Size
190KiB
Languages
English
Developer
Email
mailrohitgupta022@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Site Speed Insights: Web Vitals Visualizer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Site Speed Insights: Web Vitals Visualizer handles the following:

User activity

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

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