Changelog for beacon.min.js
Cloudflare occasionally updates the beacon.min.js file to improve Web Analytics functionality. The table below includes a log of what changed in the beacon.min.js file and when.
Date of change |
Description |
|---|---|
| 2023-07-25 | Fixed ETag format in the response header. |
| 2023-07-13 | Fixed the issue that was causing an illegal invocation error. |
| 2023-04-19 | Reports additional LCP diagnostic information using web-vitals library’s attribution build. |
| 2023-04-06 | Updated webpack configuration to output code in ECMAScript 3 (ES3) format. |
| 2023-03-23 | Updated Google’s web-vitals library (version 3.1.1) and removed experimental server-timing header. |
| 2022-10-17 | Updated to report new metrics such as time to first byte (TTFB), interaction to next paint (INP), and first contentful paint (FCP). Additionally, it reports navigator.webdriver, server-timing header (experimental), and protocol info (nextHopProtocol). |
| 2021-12-14 | Improved site filtering. |
| 2021-11-16 | When using the automatic installation feature of the JavaScript Beacon (available only to customers proxied through Cloudflare - also known as orange-clouded customers), Subresource Integrity (SRI) is now enabled by default. SRI is a security feature that enables browsers to verify that resources they fetch are delivered without unexpected manipulation. |
| 2021-09-01 | Improved to report debugging information for Core Web Vitals. |
| 2021-05-28 | startsWith function replaced with indexOf function, which prevents rendering if multiple beacon scripts are loaded. |
| 2021-05-12 | Reporting endpoint changed from /cdn-cgi/beacon/performance to /cdn-cgi/rum (for Browser Insights only). |