Optimizely experienced a critical incident on December 8, 2025 affecting Event Collection and Data Ingestion and Processing, lasting 36m. The incident has been resolved; the full update timeline is below.
Affected components
Event CollectionData Ingestion and Processing
Update timeline
- investigating Dec 08, 2025, 07:35 PM UTC
We are currently investigating this issue.
- resolved Dec 08, 2025, 08:12 PM UTC
This incident has been resolved.