Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.
Detection looks at script sources, javascript globals across 2 fingerprint rules among the site's public responses.
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Websites using Cloudflare Browser Insights
Loading website list…
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Signal classes
PluginView evaluates public page signals in these classes when identifying Cloudflare Browser Insights. Individual fingerprint rule bodies are proprietary and are not published.
- Script sources
- JavaScript globals
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Example public indicators for Cloudflare Browser Insights
Illustrative indicators derived from public catalog metadata for Cloudflare Browser Insights. A live scan may match additional proprietary rules beyond these examples.
- static.cloudflareinsights.com/beacon.min?.js
- __cfBeaconCustomTag
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Cloudflare Browser Insights signature (2 rules) at the time of the scan.
- Does not establish
- A sitewide install of Cloudflare Browser Insights, an active vendor contract, exclusive use, or that Cloudflare Browser Insights is still in place today.
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How to check a site for Cloudflare Browser Insights
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Cloudflare Browser Insights signals.
- 2. PluginView reads only public responses (script sources, javascript globals) and scores them against the Cloudflare Browser Insights signature set (2 rules).
- 3. Review the confidence score and text explanation for Cloudflare Browser Insights on the results page.
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FAQ: detecting Cloudflare Browser Insights
- Can PluginView detect Cloudflare Browser Insights without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Cloudflare Browser Insights — typically script sources, javascript globals. It does not bypass authentication or paywalls.
- What category is Cloudflare Browser Insights?
- Cloudflare Browser Insights is classified under Analytics, RUM in the PluginView directory.
- How many fingerprint rules cover Cloudflare Browser Insights?
- This reference currently tracks 2 fingerprint rules across script sources, javascript globals. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Cloudflare Browser Insights?
- Illustrative public indicators for Cloudflare Browser Insights include static.cloudflareinsights.com/beacon.min?.js; __cfBeaconCustomTag. A live scan may match additional proprietary rules beyond these examples.