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 North America
Incident Report for Cloudflare
Resolved
This incident has been resolved.
Posted Jun 06, 2024 - 23:00 UTC
Monitoring
A fix has been implemented and we are monitoring the results.
Posted Jun 06, 2024 - 22:30 UTC
Identified
The issue has been identified and a fix is being implemented.
Posted Jun 06, 2024 - 16:16 UTC
Investigating
Self-serve customers connecting on one ISP in North America may see increased latency connecting to Cloudflare. This does not impact Enterprise customers.
Posted Jun 06, 2024 - 16:04 UTC