How To Check Page Speed in Google Analytics

Updated on:

May 8, 2026

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Use this interactive demo to learn how to analyze your website's performance with PageSpeed Insights.

Quick summary

Google PageSpeed Insights is a free tool that measures your website's Core Web Vitals and overall performance score across mobile and desktop. It reports key metrics like FCP, LCP, and CLS to help you identify and fix speed issues that affect user experience and search rankings.

Steps

Enter your website URL into the PageSpeed Insights input field.
Click the Analyze button to run the performance test.
Navigate between the Mobile and Desktop tabs to view separate performance reports for each device type.
Review your site's Core Web Vitals, focusing on the most critical metrics: FCP, LCP, and CLS.
Scroll down to view the overall performance score as calculated by PageSpeed Insights.

📌 Why this matters

Google PageSpeed Insights is a critical tool for any website owner, developer, or SEO professional who wants to understand and improve their site's loading performance. It measures real-world Core Web Vitals — including First Contentful Paint (FCP), Largest Contentful Paint (LCP), and Cumulative Layout Shift (CLS) — which are direct Google ranking factors. By providing separate performance scores for mobile and desktop, PageSpeed Insights helps teams prioritize exactly where to focus optimization efforts. Faster websites deliver better user experiences, lower bounce rates, and higher search engine visibility.

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