Page Speed & Core Web Vitals

Unknown author · Tools

Open in Chrome Web Store

Users

Avg rating

—

Ratings

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Updated

Apr 16, 2026

Media

1 item

Description

Measure Core Web Vitals (LCP, CLS, INP) and diagnose what's hurting your page speed. 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.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
28
Description length
Characters in the listing description.
777
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
50.7

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.