Which analytics tools are actually blocked?
The live block rate of each third-party provider, measured directly across engaged visitors. Vendor-neutral: we measure what's blocked, we don't sell you a replacement.
Measurement is just getting started, so there isn't enough data to publish rates yet. Check back soon, or run the live demo to see detection in your own browser.
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Optimizely
Optimizely runs A/B tests and feature experiments. When its CDN is blocked, experiment assignment and conversion tracking silently stop.
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PostHog
PostHog is a product-analytics and session-recording platform. Blocked users send no events, so funnels and retention undercount.
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Google Analytics 4
Google Analytics 4 is Google's web and app analytics. It is one of the most aggressively blocked endpoints on the web.
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Google Tag Manager
Google Tag Manager loads your other tags. When GTM itself is blocked, every tag it manages goes dark at once.
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Segment
Segment is a customer-data pipeline that fans events out to other tools. A block at the source starves everything downstream.
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Hotjar
Hotjar records heatmaps and session replays. Blocked sessions never appear in your recordings.
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Amplitude
Amplitude is a product-analytics platform. Blocked clients drop out of every behavioral report.
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Mixpanel
Mixpanel is an event-analytics platform. Blocked users are invisible to its funnels and cohorts.
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Meta Pixel
The Meta Pixel powers Facebook and Instagram ad attribution. When it is blocked, conversions go unreported and ad optimization degrades.
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Intercom
Intercom powers in-app chat and messaging. A blocked widget means those users can't reach support through it.
Rates reflect engaged visitors measured by blockrate, the open-source per-provider block-rate library. Try the live demo. Prefer raw data? Get it as JSON.