Core Web Vitals · Real data
Is your site fast for the people who matter?
Rumy monitors LCP, CLS, INP, FCP and TTFB with data from your real users — not a lab. Add 2 lines of code and start now.
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Real metrics
Data collected from your visitors. p75 per hour, no artificial sampling.
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Deploy impact
Mark deploys and see the before and after of each release in your metrics.
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Automatic alerts
Get an email when a metric degrades. Max 1 alert per metric every 24h.
Monitored metrics
We calculate the p75 — the value 75% of your users experience or better. This is Google's standard for evaluating real performance.
LCP
≤ 2.5sCLS
≤ 0.1INP
≤ 200msFCP
≤ 1.8sTTFB
≤ 800msReady in 2 minutes
01
Create your account
Sign in with Google. No forms, no password.
02
Install the snippet
Paste 2 lines before </head>. No dependencies.
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Monitor
See metrics arriving in real time on your dashboard.
Start monitoring now
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