Item logo image for PageSpeed Badge — Core Web Vitals Monitor

PageSpeed Badge — Core Web Vitals Monitor

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Item media 1 (screenshot) for PageSpeed Badge — Core Web Vitals Monitor
Item media 1 (screenshot) for PageSpeed Badge — Core Web Vitals Monitor
Item media 2 (screenshot) for PageSpeed Badge — Core Web Vitals Monitor
Item media 3 (screenshot) for PageSpeed Badge — Core Web Vitals Monitor
Item media 4 (screenshot) for PageSpeed Badge — Core Web Vitals Monitor
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Overview

See LCP, FCP, and CLS scores for any webpage in real time. Color-coded badge on the toolbar... | Not affiliated with Anthropic, PBC.

PageSpeed adds a persistent Core Web Vitals badge to every tab, showing you LCP, FID/INP, and CLS scores at a glance. Click the badge for a full Lighthouse performance breakdown — all without switching to a separate tool or opening DevTools. **Key Features:** - Live CWV badge (LCP, FID/INP, CLS) visible on every page - Color-coded scores: green (good) / amber (needs improvement) / red (poor) - Full Lighthouse audit on demand: Performance, Accessibility, SEO, Best Practices - Historical score tracking per domain - Mobile vs. Desktop score comparison - PageSpeed Insights API integration for field data - No sign-in or configuration required **Who is it for?** Frontend developers optimizing page performance, SEO specialists monitoring Core Web Vitals for ranking impact, developers running quick performance checks during development, and technical marketers who need fast performance data without opening Lighthouse manually. **Privacy & Trust:** The current page URL is sent to the PageSpeed Insights API for performance scoring. No personal data or browsing history is collected. Anonymous analytics via Google Analytics 4 only. Install PageSpeed — know your Core Web Vitals on every page.

Details

  • Version
    0.1.2
  • Updated
    May 19, 2026
  • Offered by
    shota.katougi
  • Size
    30.77KiB
  • Languages
    4 languages
  • Developer
    Email
    shota.katougi@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.

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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