Optimizely incident
Cloudflare Global Network experiencing issues
Optimizely experienced a major incident on November 18, 2025 affecting Australia East and North Europe and 1 more component, lasting 7h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 18, 2025, 11:57 AM UTC
Cloudflare is investigating an issue which potentially impacts multiple customers. Further detail will be provided as more information becomes available.
- investigating Nov 18, 2025, 12:08 PM UTC
We are continuing to investigate this issue.
- investigating Nov 18, 2025, 12:11 PM UTC
We are continuing to investigate this issue.
- investigating Nov 18, 2025, 12:13 PM UTC
Cloudflare is investigating an issue which potentially impacts multiple customers. Further detail will be provided as more information becomes available. Thank you for your patience!
- investigating Nov 18, 2025, 12:34 PM UTC
Cloudflare are seeing services recover, but customers may continue to observe higher-than-normal error rates as they continue remediation efforts.
- investigating Nov 18, 2025, 12:48 PM UTC
Cloudflare still continuing to investigate this issue.
- investigating Nov 18, 2025, 12:52 PM UTC
Cloudflare are seeing services recover, but customers may continue to observe higher-than-normal error rates as they continue remediation efforts.
- investigating Nov 18, 2025, 01:09 PM UTC
During Cloudflare attempts to remediate, they have disabled WARP access in London. Users in London trying to access the Internet via WARP will see a failure to connect.
- identified Nov 18, 2025, 01:22 PM UTC
The issue has been identified and a fix is being implemented. Cloudflare are continuing to work towards restoring other services.
- identified Nov 18, 2025, 01:40 PM UTC
Cloudflare continuing working on restoring service for application services customers.
- identified Nov 18, 2025, 02:03 PM UTC
Cloudflare still continuing working on restoring service for application services customers. Thank you for your patience!
- identified Nov 18, 2025, 02:25 PM UTC
Cloudflare still continuing to work on a fix for this issue.
- identified Nov 18, 2025, 02:45 PM UTC
Cloudflare deployed a change which has restored dashboard services. They are still working to remediate broad application services impact.
- monitoring Nov 18, 2025, 02:46 PM UTC
A fix has been implemented and Cloudflare believe the incident is now resolved. They are continuing to monitor for errors to ensure all services are back to normal.
- monitoring Nov 18, 2025, 02:59 PM UTC
Some customers may be still experiencing issues logging into or using the Cloudflare dashboard. Cloudflare are working on a fix to resolve this, and continuing to monitor for any further issues.
- identified Nov 18, 2025, 03:25 PM UTC
Cloudflare are continuing to monitor for any further issues.
- monitoring Nov 18, 2025, 03:58 PM UTC
Cloudflare is continuing to focus on restoring service post-fix. They are mitigating several issues that remain post-deployment.
- monitoring Nov 18, 2025, 05:12 PM UTC
Cloudflare reports continued reduction in errors & latency, but intermittent errors may still occur as services stabilize. Cloudflare is pursuing options to accelerate the recovery process.
- resolved Nov 18, 2025, 06:57 PM UTC
Cloudflare has declared the issue resolved, and our platform teams have confirmed all services have successfully recovered.