Now accepting early access publishers

Know your ad frequency.
Before anyone else does.

Real-time monitoring of ad impressions per minute on your pages. Verify you meet industry standards. One script, instant visibility.

Track viewable ad impressions per minute with a 60-second sliding window. IAB-compliant viewability measurement.

Benchmark against the Jounce Media threshold of 8 ads/min. Demonstrate your pages meet quality standards.

Official RTD submodule that plugs directly into your Prebid stack. One config line, zero code changes.

How it works

1

A single script tag or Prebid module. Takes under 2 minutes.

2

Viewable impressions per minute, counted in real-time on a rolling 60-second window.

3

See exactly where you stand. Share results with advertisers and verification partners.

Choose the integration that fits your stack. Both are key-gated, private, and backed by the same monitoring engine.

Prebid.js RTD Module

Official Real-Time Data submodule

Native Prebid.js integration. Add to your existing config and frequency monitoring starts automatically — hooks directly into Prebid auction events.

// Add to your pbjs.setConfig()
realTimeData: {
  dataProviders: [{
    name: 'mfaValidator',
    params: {
      apiKey: 'pub_xxxxxxxx'
    }
  }]
}

Best for publishers already running Prebid.js. Taps into bid events for the most accurate measurement.

JavaScript Snippet

Works on any page, no dependencies

Drop a single script tag into your page. Works with any ad stack — Google Ad Manager, AdSense, Amazon, or custom setups. No build step required.

<script
  src="https://cdn.mfavalidator.com/v1/monitor.js"
  data-key="pub_xxxxxxxx"
></script>

Best for publishers without Prebid, or for quick evaluation. Detects ads via DOM observation and GPT events.

Private engine

Detection logic served from our CDN, not in open-source code

Key-gated access

Each publisher gets a unique API key. No key, no monitoring

Managed service

Dashboard, reports, and alerting included with every plan

We're onboarding publishers now. Tell us about your properties.