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Core Web Vitals Test icon

Core Web Vitals Test

🧑‍💻 Developer Tools
4.98,000

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

User reviews

10 · from the Chrome Web Store
  • M

    Martin Fisher

    Mar 11, 2026

    Clear, accurate and fast. Whats not to love? History would be amazing but I think thats well beyond the scope of this great little helper

  • R

    ram shankar

    Dec 30, 2025
  • A

    Aleksa Aleksic

    Nov 5, 2025

    Extremely insightful! Checked my personal website aleksic.xyz and the insights are really valuable.

  • J

    Jahidul Islam

    Sep 30, 2025
  • A

    Amine Farhat

    Sep 23, 2025

    Absolute Cinema

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