Item logo image for Page Speed & Core Web Vitals

Page Speed & Core Web Vitals

Item media 1 (screenshot) for Page Speed & Core Web Vitals

Overview

Measure Core Web Vitals (LCP, CLS, INP) for the current page using browser performance APIs.

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.

Details

  • Version
    1.0.1
  • Updated
    February 9, 2026
  • Size
    27.47KiB
  • Languages
    English
  • Developer
    Email
    psp.medeti@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
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

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

Related

Chrono Web Time Tracker - Visualize & Track Your Browsing Habits

0.0

Track your online time with Chrono Web Time Tracker. Visualize browsing habits and efficiently monitor web activity and usage.

Open in Google Page Speed Insights

0.0

A simple extension to open the current page in Google Page Speed Insights.

Сumulative layout shift

5.0

Monitor Cumulative Layout Shift to enhance Google Page Experience Core Web Vitals performance, and Largest Contentful Paint metrics.

SiteSpeed Checker

0.0

Displays page load speed using Google PageSpeed Insights API

Core Web Vitals Test

4.9

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

HTTP Headers

4.6

Quickly view HTTP headers for the current page.

Screen Ruler

5.0

Use screen ruler for Chrome measure pixels on screen and as browser plugin. Get pixel ruler extension for website page dimensions.

PageSpeed Insights

4.0

Page Load Speed Insights Chrome extension

URL Performance Checker

4.3

Check the average load time of a webpage.

Site Speed by DebugBear

4.8

View Web Vitals metrics for the websites you visit and quickly navigate to external web performance testing tools.

Site Speed Insights: Web Vitals Visualizer

0.0

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

Core Web Vitals Visualizer

4.9

Measure, visualize, and debug Core Web Vitals in real time. CrUX history, LCP/CLS/INP breakdowns and performance experiments

Chrono Web Time Tracker - Visualize & Track Your Browsing Habits

0.0

Track your online time with Chrono Web Time Tracker. Visualize browsing habits and efficiently monitor web activity and usage.

Open in Google Page Speed Insights

0.0

A simple extension to open the current page in Google Page Speed Insights.

Сumulative layout shift

5.0

Monitor Cumulative Layout Shift to enhance Google Page Experience Core Web Vitals performance, and Largest Contentful Paint metrics.

SiteSpeed Checker

0.0

Displays page load speed using Google PageSpeed Insights API

Core Web Vitals Test

4.9

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

HTTP Headers

4.6

Quickly view HTTP headers for the current page.

Screen Ruler

5.0

Use screen ruler for Chrome measure pixels on screen and as browser plugin. Get pixel ruler extension for website page dimensions.

PageSpeed Insights

4.0

Page Load Speed Insights Chrome extension

Google apps