Home » Plugins & Tools » Core Web Vitals Tester WordPress Plugin

Free
Run a Core Web Vitals test directly from your WordPress dashboard.
Our CWV checker uses the official Google PageSpeed Insights API to fetch real-time LCP, CLS, and FID scores and displays them in interactive charts, helping you optimize your site for better SEO and user experience.
Wondering how to check Core Web Vitals in WordPress? The Core Web Vitals Tester plugin brings the power of the Google PageSpeed Insights API right into your admin area. Instead of using external tools, you can now run a website speed test tool in WordPress and get a detailed real-time CWV report for any URL on demand.
This WordPress Core Web Vitals plugin provides a clean interface to test LCP, CLS, and FID scores. The results, including your LCP test, CLS checker results, and FID score, are presented in beautiful, interactive charts. Stay ahead of Google’s ranking factors and ensure your website is optimized for speed, responsiveness, and visual stability with this essential CWV checker.
Yes, to power this Google PageSpeed Insights API plugin, you will need a free API key from Google Cloud, with instructions included.
Core Web Vitals are metrics Google uses to measure user experience, consisting of the LCP test (loading), FID score (interactivity), and CLS checker (visual stability).
It’s good practice to use this CWV checker regularly, especially after site changes, to ensure your performance remains optimal.
Mobile and desktop scores differ because the Google PageSpeed Insights API simulates different network and device conditions for each test.