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Pro & Agency Feature

Real User Monitoring (RUM)

Measure actual browser experience, page load speed, and Google Core Web Vitals from real human visitors across the globe.

Feature IDrum_vitals
Available PlansPro & Agency
Script Payload< 2 KB (Asynchronous)
Privacy & GDPRCookieless / Zero PII

Synthetic Uptime vs. Real User Experience

Why HTTP 200 OK only tells half the story

A traditional uptime ping bot tells you that your web server returned an HTTP 200 OK status code. It does nottell you if JavaScript crashed on your customer's device, if third-party tracking scripts bloated page load times to 7 seconds, or if mobile users in Europe experienced severe layout shift. Real User Monitoring (RUM) captures real-world user metrics directly from live sessions.

Google Core Web Vitals Tracked

LCP (Largest Contentful Paint)

Good: < 2.5s

Measures perceived loading speed. Marks the point in page load timeline when the main content (hero banner, image, or text block) has rendered.

TTFB (Time to First Byte)

Good: < 800ms

Measures backend responsiveness. The duration between the browser requesting a page and receiving the very first byte of response data from the server or CDN.

CLS (Cumulative Layout Shift)

Good: < 0.1

Measures visual stability. Quantifies unexpected layout shifts where text, buttons, or images jump around while the user is reading or interacting.

INP (Interaction to Next Paint)

Good: < 200ms

Measures page responsiveness. Evaluates the delay between user clicks, taps, or keyboard presses and the time the visual frame updates on screen.

Quick Installation (< 2KB Telemetry Script)

Paste your site's unique snippet into the <head> tag of your web application:

Standard HTML & Vanilla JS:
<script
  src="https://www.pingzoapp.com/telemetry.js"
  data-site="YOUR_RUM_SITE_TOKEN"
  defer
></script>
Next.js App Router (layout.tsx):
import Script from 'next/script'

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <html lang="en">
      <head>
        <Script
          src="https://www.pingzoapp.com/telemetry.js"
          data-site="YOUR_RUM_SITE_TOKEN"
          strategy="afterInteractive"
        />
      </head>
      <body>{children}</body>
    </html>
  )
}

Mandatory Domain Ownership Verification

To prevent unauthorized data ingestion, all RUM sites require domain ownership verification before metrics are accepted. You can choose any of the 3 verification methods:

Method 1: Script Tag Detection (Recommended)

Embed the official telemetry.js script with your site token on your homepage. Click Verify Ownership in the dashboard and Pingzo will automatically inspect the live DOM to confirm the script.

Method 2: HTML Meta Tag

Add this meta tag inside your homepage's <head> section:

<meta name="pingzo-verification" content="YOUR_RUM_SITE_TOKEN" />

Method 3: DNS TXT Record

Add a DNS TXT record at your domain registrar (Cloudflare, Namecheap, GoDaddy):

  • Type: TXT
  • Name / Host: @ (or root)
  • Value: pingzo-verify=YOUR_RUM_SITE_TOKEN

100% Privacy-First & GDPR Compliant

Pingzo RUM uses zero tracking cookies, does not log visitor IP addresses, does not collect personally identifiable information (PII), and performs all aggregations anonymously. No cookie consent banners are required.

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