Optimizely experienced a minor incident on July 23, 2026 affecting West US, lasting 5h 23m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 23, 2026, 03:10 PM UTC
We are currently investigating an issue reported for customer located in the West US Azure DC. We will provide additional updates as soon as they become available. Thank you for your patience!
- identified Jul 23, 2026, 04:10 PM UTC
This issue has been identified and we are working with our third party vendor on mitigation efforts
- identified Jul 23, 2026, 05:16 PM UTC
The potential cause of the degregation of the West US Azure Data Center has been identified. Mitigation efforts are currently underway. We will provide additional updates as soon as they become available. Thank you for your patience!
- identified Jul 23, 2026, 06:10 PM UTC
Our third party vendor is continuing to rollout mitigation actions
- monitoring Jul 23, 2026, 06:35 PM UTC
We are seeing continued restoration of sites across the platform, with services gradually returning to normal. Our teams are closely monitoring the situation and will share further updates as soon as they are available.
- resolved Jul 23, 2026, 08:34 PM UTC
This incident has been resolved and service availability and functionality fully restored.