Page Speed Checker

ExtensionDeveloper Tools

Overview

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

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.

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Details

Version
1.0.0
Updated
March 23, 2026
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Offered by
t.mizuno27
Size
15.81KiB
Languages
English
Developer
水野達也
橋戸3-51-1 タウンハウス瀬谷12-5 横浜市瀬谷区, 神奈川県 2460037 JP
Email
t.mizuno27@gmail.com
Phone
+81 80-3409-6533
Trader
This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization

Page Speed Checker has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.