Unofficial and Honest Cloudflare System Status

Starting as early as at least 2022-10-26, users may experience a significant performance degradation when enabling HTTP/3 on their sites. Users are advised to disable HTTP/3 for better performance.

Update: Improvements have been made to HTTP/3 performance recently that greatly reduce the impact of this regression.


Sources:
Network Performance Issues in Chicago
Incident Report for Cloudflare
Resolved
Cloudflare has experienced temporary Network Performance issues in Chicago (ORD) from 8:10 to 8:25UTC.
The issue has been resolved.
Posted Nov 12, 2024 - 08:00 UTC