Web Vitals RUM data is the most accurate web performance metric. Add our JS snippet to see what real users on your website experience.
Install the PageSpeed Plus javascript snippet on your site to immediately activate Real User Monitoring for Web Vitals. Data appears within minutes so you get instant feedback without waiting 28 days for Search Console to refresh.
The time it takes for a browser to get the first piece of data from a server after making a request.
How long it takes for the largest visible element to load and appear on the screen.
The time it takes for the page to respond and update on the screen after a user interacts with it.
The measure of how much the page layout moves around unexpectedly while it’s loading.
Install the snippet on your site and wait 2 minutes for data to appear
Copy the code snippet from your PageSpeed Plus account.
Paste the snippet into the head of your website.
Real time data will appear within minutes.
Analyze how your site performs with real-world data.
View the last day, week, month.
Focus on mobile or desktop for better analysis
See how every page performs for LCP, FID, CLS and TTFB
Debug Faster With Instant Data
Real User Monitoring of Web Vitals represents the gold standard for understanding how your website performs in the real world. Unlike synthetic testing that simulates user interactions, Real User Monitoring (RUM) captures actual performance data from genuine visitors browsing your site with their own devices, network connections, and browsers.
Google's Core Web Vitals have become critical ranking factors that directly impact your search engine visibility and user experience. RUM tracking provides the most accurate picture of how these essential metrics perform across your entire user base, giving you actionable insights that synthetic tests simply cannot provide.
The shift toward user-centric performance metrics means that RUM data on Web Vitals data is now essential for maintaining competitive search rankings. Google uses actual user experience data to determine how websites rank, making RUM data the most valuable performance metric for SEO success.
Traditional performance monitoring tools only show you how your site performs under controlled conditions. Web Vitals RUM data reveals the truth: how your site actually performs for users on slow mobile connections, older devices, and varying network conditions across different geographic regions.
Largest Contentful Paint (LCP) in Real User Monitoring measures the loading performance as experienced by real users. While synthetic tests might show a 2-second LCP, your actual users could be experiencing 4-6 seconds due to real-world network variability, device limitations, and geographic distance from your servers.
First Input Delay (FID) and Interaction to Next Paint (INP) are impossible to measure accurately without Real User Monitoring of Web Vitals. These interactivity metrics require genuine user interactions that only occur with real visitors clicking, tapping, and typing on your website.
Cumulative Layout Shift (CLS) varies dramatically between synthetic tests and real user experiences. RUM captures how your layout stability performs across different viewport sizes, loading conditions, and user behaviors that synthetic tests cannot replicate.
Websites that monitor and audit Real World Web Vitals scores typically see 15-25% improvements in conversion rates once they optimize based on actual user data. This happens because RUM data reveals the specific performance bottlenecks affecting your actual customers, not theoretical users in controlled environments.
It also helps identify device-specific and geographic performance issues. You might discover that users in certain regions experience poor LCP scores due to CDN coverage gaps, or that specific mobile devices struggle with your JavaScript bundle size.
PageSpeedPlus makes it easy to set up Real User Monitoring for Web Vitals on your site with our a lightweight JavaScript snippet that captures performance data without impacting user experience.
PageSpeed Plus RUM collection begins within minutes of implementation, providing immediate insights compared to Google Search Console's 28-day reporting delay. This rapid data collection enables faster iteration and optimization cycles.
Beyond basic Core Web Vitals tracking, advanced RUM platforms provide correlation analysis between performance metrics and business outcomes. You can identify which performance improvements drive the highest ROI by connecting user experience data with conversion tracking and analysing the historical pagespeed scores.
Accurate Web Vitals data also enables A/B testing of performance optimizations. You can compare how different user segments respond to performance improvements, ensuring that optimizations benefit your entire user base rather than just synthetic test scenarios.
As Google continues evolving Core Web Vitals and introducing new user experience metrics, Real User Monitoring your Web Vitals becomes increasingly critical for staying ahead of algorithm updates. Genuine user data provides early insight into how new metrics will impact your site before they become official ranking factors.
Start collecting RUM data today to build a comprehensive understanding of your website's performance reality. The insights you gain will drive more effective optimizations, better user experiences, and improved search rankings based on actual user behavior rather than theoretical performance scenarios.