---
title: "RUM"
description: "1 posts about RUM, summarised, each linking to the original."
---

# RUM
> 1 posts about RUM, summarised, each linking to the original.

## Articles

### [How fast is the web? Explore billions of real-user measurements with BEACON](https://yomu.fyi/post/how-fast-is-the-web-explore-billions-of-real-user-measurements-with-be.md)
- Company: [Cloudflare](https://yomu.fyi/company/cloudflare.md)
- Author: Nic Jansma
- Published: Sep 28, 2026
- Type: Announcement

Cloudflare has released the BEACON dataset, an anonymized collection of billions of real-user performance measurements from 10,000 of the largest websites. The dataset reports Core Web Vitals (LCP, CLS, INP) with full histograms, enabling analysis of any percentile including the long tail. It reveals that WebKit browsers underperform Blink in 46 countries, and that resource-discovery and render-blocking contribute more to slow LCP than download time. Soft navigations in single-page applications load two to three times faster than hard navigations, but landing pages remain heavy. The dataset is publicly available on Google BigQuery and includes differential privacy via the RAPPOR algorithm to protect individual user data.