Outage in Optimizely
Problems Accessing Experimentation UI
Resolved MajorIncident Report
We are currently investigating issues when trying to access to use the Experimentation application UI, and will post updates here when we have identified the problem.
Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Start Free Trial
- No credit card
- 14-day trial
- 2-minute setup
Latest Updates ( sorted recent to last )
RESOLVED
7 months ago - at 09/24/2025 08:11PM
This incident has been resolved.
MONITORING
7 months ago - at 09/24/2025 06:38PM
We are continuing to monitor the fix. During the incident, some authentication tokens were generated incorrectly, and these are stored in a cookie with a one hour expiration. If you continue to experience issues, please log out of the application, clear browser cookies, and log back in.
MONITORING
7 months ago - at 09/24/2025 06:15PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
7 months ago - at 09/24/2025 05:50PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
7 months ago - at 09/24/2025 04:57PM
We are currently investigating issues when trying to access to use the Experimentation application UI, and will post updates here when we have identified the problem.
Latest Optimizely outages
Experiment Publishing Delay - 16 days ago
Optimizely Data Platform - APIs - APAC Region - 23 days ago
Events Export API - 26 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
