Page Speed Checker

Name: Page Speed Checker
Author: t.mizuno27

PageSpeed Insights analyzer showing Core Web Vitals and performance scores. Free, instant, no account needed.

As of June 2026, Page Speed Checker has — users in the Developer Tools category.

t.mizuno27 Developer Tools

Chrome Web Store ↗.crx

Users0%

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Rating0%

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— reviews

Reviews0%

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Version

1.0.3

Manifest V3

90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

2 snapshots

Tracking since Apr 1, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	—	—	—	1.0.0
May 18, 2026	—	—	—	1.0.0
Now	—	—	—	1.0.3

Changelog

May 18, 2026

short_description

One-click PageSpeed Insights scores with Core Web Vitals for any page.

PageSpeed Insights analyzer showing Core Web Vitals and performance scores. Free, instant, no account needed.

May 18, 2026
host_permissions
```
(empty)
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```
https://www.googleapis.com/*
```

Permissions & access

Permissions: activeTab
Host access: https://www.googleapis.com/*

Screenshots

About

Page Speed Checker -- One-Click PageSpeed Insights & Core Web Vitals

Check any page performance score and Core Web Vitals instantly. Uses Google PageSpeed Insights API to give you real performance data.

FEATURES:
- One-click performance analysis of the current page
- Google PageSpeed Insights scores (Performance, Accessibility, Best Practices, SEO)
- Core Web Vitals: LCP, FID/INP, CLS
- Mobile and Desktop results
- Clean, easy-to-read dashboard
- No API key required -- uses Google free public API

HOW IT WORKS:
1. Navigate to any webpage
2. Click the extension icon
3. View performance scores and Core Web Vitals instantly

PRIVACY:
The URL of the current page is sent to Google PageSpeed Insights API for analysis. No other data is collected or stored by the developer.

Essential for web developers, SEO professionals, and site owners who need quick performance checks.

Technical

Version: 1.0.3
Manifest: V3
Size: 388KiB
Min Chrome: 88
Languages: 1
Featured: No

Metadata

ID: jkjjclldcnbnpjojohljnggpcjmjckip
Developer ID: u1d347782d4439e6ec94f2306e907f2c0
Developer Email: [email protected]
Created: Mar 24, 2026
Last Updated (Store): May 14, 2026
Last Scraped: Jun 7, 2026
Website: —
Support URL: —
Privacy Policy: https://homepage-three-ochre.vercel.app/privacy-policy-page-speed-checker.html

Data sourced from the Chrome Web Store · last verified Jun 7, 2026.