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.

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Details

Version
1.0.1
Updated
February 9, 2026
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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

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