Core Web Vitals Visualizer

Core Web Vitals Visualizer

Visualize the Core Web Vitals of any webpage

What is Core Web Vitals Visualizer?
"Core Web Vitals Visualizer" is a Chrome extension that provides real-time visualization of key user experience metrics, including LCP, FID, CLS, FCP, INP, and TTFB. It offers comprehensive breakdowns, historical data, and debugging options like network throttling and caching controls for precise performance analysis. With added features like metric emulation and resource optimization suggestions, it's an invaluable tool for developers and site owners aiming to improve website performance.
Merlin
Stats
Users: 4,000+
Rating: 5.00 (10)
Version: 1.10 (Last updated: 2024-03-14)
Creation date: 2022-10-29
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • debugger
Size: 2.51M
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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Merlin
Summary

RUM Visualizer visualizes the Core Web Vitals for any webpage.

This extension will visualize the Core Web Vitals for any webpage. It includes the Largest Contentful Paint (LCP), First Input Delay (FID), Cumulative layout Shift (CLS), First Contentful Paint (FCP), Interaction to Next Paint (INP) and the Time To First Byte (TTFB). Get direct access to the Core Web Vitals historical data!

Features:

LCP

  • Get LCP RUM values
  • Visualize the LCP.
  • Break down the LCP into Time to first byte, Resource load delay, Resource load time and Element render delay

FID

  • Get FID RUM values
  • Visualize the FID.
  • FID breakdown
See more
User reviews
by Sina Hosseinzadeh Sina Hosseinzadeh, 2024-02-06

by Mehran Taslimi Mehran Taslimi, 2024-02-05

by Nacho Gómez Nacho Gómez, 2024-01-03
View all user reviews
Safety
Risk impact

Core Web Vitals Visualizer is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install Core Web Vitals Visualizer if you trust the publisher.

Risk likelihood

Core Web Vitals Visualizer is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

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Screenshots
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