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Perform - Core Web Vitals Analyzer

ExtensionDeveloper Tools4 users
Item media 1 (screenshot) for Perform - Core Web Vitals Analyzer

Overview

Measures Core Web Vitals (LCP, FCP, CLS, INP, TTFB) for any webpage you visit. See performance scores instantly in the toolbar.

We created this extension out of necessity to ensure we always have a simple plugin to keep up with the latest Chrome telemetry changes. This plugin is a response to seeing our preferred page-load timing plugins become outdated and stop working with the latest Chrome updates. View important metrics at a glance: analyze resource load times, identify slow scripts, and audit the impact of third-party resources. Features are designed primarily for SEO professionals, marketers, and developers. - Real-time LCP badge on every tab (measurable ones). - Core Web Vitals dashboard - Resource Breakdown by Type (JS, CSS, images, fonts) - Slowest Resource Identification

Details

  • Version
    1.1.0
  • Updated
    January 23, 2026
  • Size
    22.18KiB
  • Languages
    English
  • Developer
    August SEO, LLC
    12325 E Valleyway Ave Spokane Valley, WA 99216-0927 US
    Website
    Email
    mail@augustseo.com
    Phone
    +1 509-731-3334
  • 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.
  • D-U-N-S
    056558739

Privacy

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

Support

For help with questions, suggestions, or problems, visit the developer's support site

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