---
description: How Web Analytics collects data from visitor browsers.
title: Data origin and collection
image: https://developers.cloudflare.com/og-docs.png
---

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# Data origin and collection

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/web-analytics/data-metrics/data-origin-and-collection/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

Web Analytics relies on the `performance.getEntriesByType('navigation')` object to collect metrics about page load performance. If Navigation Timing Level 2 is not supported, then [performance.timing (Level 1) ↗](https://developer.mozilla.org/en-US/docs/Web/API/Performance/timing) is used.

Refer to the [W3C Processing Model ↗](https://www.w3.org/TR/navigation-timing-2/#processing-model) for a visual depiction of the sequence of timing events for web page loads.

## Data collection and reporting

Web Analytics collects the minimum amount of information - timing metrics - to show customers how their websites perform. Cloudflare does not track individual end users across our customers’ Internet properties.

The Web Analytics performance beacon loads from `https://static.cloudflareinsights.com/beacon.min.js`. You may need to update your [Content Security Policy (CSP)](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) settings to load this script.

Beacon data is sent to `https://<yourdomainname>/cdn-cgi/rum` for sites proxied through Cloudflare or `https://cloudflareinsights.com/cdn-cgi/rum` for sites not proxied through Cloudflare. Core Web Vital metrics are reported when the `visibilityState` is hidden for the first time after the page load event is triggered.

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