Optimizely Outage History
Optimizely is up right nowOptimizely had 92 outages in the last 2 years totaling 550h 49m of downtime — averaging 3.8 incidents per month.
There were 92 Optimizely outages since October 10, 2025 totaling 550h 49m of downtime. Each is summarised below — incident details, duration, and resolution information.
Feature Experimentation - Invalid Patch Request error when trying to update running Flags
Timeline · 3 updates
- investigating Nov 06, 2025, 11:54 PM UTC
We are in investigating and issue where a "Something went wrong" error appear when trying to make changes to a running experiment in Feature Experimentation.
- monitoring Nov 07, 2025, 12:10 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Nov 07, 2025, 12:21 AM UTC
This incident has been resolved.
Optimizely Data Platform - EMEA Region
Timeline · 6 updates
- investigating Nov 06, 2025, 10:30 AM UTC
We are investigating the degraded performance of the data processing and issues when using the List API, Profiles API, and GraphQL API.
- identified Nov 06, 2025, 10:52 AM UTC
We are working with our vendor to resolve the issue with one of underlying data storages.
- identified Nov 06, 2025, 02:22 PM UTC
We are continuing to work with our vendor to resolve the issue with one of the underlying data storage systems.
- monitoring Nov 06, 2025, 04:08 PM UTC
A fix has been implemented and we are monitoring the results.
- monitoring Nov 06, 2025, 05:52 PM UTC
Data processing and ODP APIs are operational.
- resolved Nov 06, 2025, 06:49 PM UTC
This incident has been resolved.
Licensing Server Degredation
Timeline · 1 update
- resolved Nov 04, 2025, 04:46 PM UTC
At approximately 14:32 UTC, we experienced an issue with the cloud license check API used by DXP customer sites running on Optimizely CMS. During this period, CMS administrators may have seen a warning banner when logging into the backend. End users browsing live sites were not affected. The issue was mitigated by approximately 16:30 UTC, and the warning banner disappeared once the service recovered. We continue to monitor the system to ensure ongoing stability.
Cloud Services Outage
Timeline · 6 updates
- investigating Oct 29, 2025, 04:12 PM UTC
We have identified an issue with our cloud hosting platform affecting a subset of customers, resulting in some sites failing to load. We are investigating and will provide updates as soon as they are available.
- identified Oct 29, 2025, 04:46 PM UTC
This has been identified by our cloud platform vendor as a DNS issue resulting in availability degradation of some services, including the service management portal. We have been informed that the vendor has taken remedial steps to address and restore portal access issues. The underlying issue is under investigation; further updates will be provided as progress is made.
- monitoring Oct 29, 2025, 06:26 PM UTC
Our platform team has taken several mitigative actions, but is still working on an overarching fix for this issue. Currently a configuration rollback is being initiated, and customers should begin seeing positive results around approximately 19:00 UTC, but full restoration will require further steps to normalize network traffic. Some configuration changes may be restricted while the platform team rolls out these fix efforts.
- monitoring Oct 29, 2025, 07:26 PM UTC
Our platform team has taken several mitigative actions, but is still working on an overarching fix for this issue. Currently a configuration rollback is being initiated, and customers should begin seeing positive results around approximately 19:00 UTC, but full restoration will require further steps to normalize network traffic. Some configuration changes may be restricted while the platform team rolls out these fix efforts. ----- Critical Note: The source of the issue has been confirmed to lie primarily within the Azure Front Door services, resulting in the primary impact of the outage being customer sites that significantly rely on Azure Front Door in their configuration.
- monitoring Oct 29, 2025, 09:02 PM UTC
We are seeing recovery across most affected sites. While some services still remain partially degraded, we anticipate recovery to continue as platform health stabilizes.
- resolved Oct 29, 2025, 11:29 PM UTC
This incident has been resolved.
Content Recommendations - Performance Degraded
Timeline · 3 updates
- investigating Oct 27, 2025, 02:46 PM UTC
We are investigating an issue affecting the Content Recommendations service for a subset of customers in the EMEA region, which may cause increased latency in rendering some content, such as serving images. Teams are working to identify a fix as soon as possible.
- monitoring Oct 27, 2025, 04:02 PM UTC
A fix has been implemented by our upstream platform vendor, and we are monitoring the results.
- resolved Oct 27, 2025, 05:22 PM UTC
Performance has remained steady and healthy. This incident has been resolved.
DXP - Deployment Failures
Timeline · 6 updates
- investigating Oct 27, 2025, 01:26 PM UTC
We have identified an issue affecting deployments for some DXP customers, and are actively investigating.
- investigating Oct 27, 2025, 02:34 PM UTC
We are experiencing an ongoing issue with the DXP Management Portal (PaaS) that affects a subset of customers' ability to make deployments. Waiting and trying again may help with the issue. We are working to resolve this as quickly as possible.
- investigating Oct 27, 2025, 03:48 PM UTC
We are continuing to investigate the issue, and have engaged our platform support vendor for assistance. We will provide further updates as information becomes available.
- identified Oct 28, 2025, 02:56 AM UTC
We have identified the cause of the issue and are currently working on a fix. While the problem may still persist for a subset of clients, retrying the deployment could be successful. We appreciate your patience as we work towards a resolution.
- monitoring Oct 29, 2025, 09:20 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 30, 2025, 09:09 AM UTC
This incident has been resolved.
Intermittent Availability with Cloud license portal
Timeline · 3 updates
- investigating Oct 23, 2025, 06:47 AM UTC
We are currently investigating an availability issue with Cloud license portal. It can result in CMS backend license check failure and longer DXP provisioning. We will post additional updates when we have information available. Thank you for your patience.
- monitoring Oct 23, 2025, 07:36 AM UTC
A workaround has been implemented and we are monitoring the results.
- resolved Oct 23, 2025, 08:19 AM UTC
This incident has been resolved.
Optimizely Data Platform - APIs - NA Region
Timeline · 9 updates
Search and Navigation issue with FIND EMEA09
Timeline · 2 updates
- monitoring Oct 21, 2025, 02:47 PM UTC
A fix has been implemented and we are monitorng the results.
- resolved Oct 21, 2025, 08:09 PM UTC
Performance has remained healthy and steady. This issue has been determined fully resolved.
Platform Health Event in US-West Region
Timeline · 5 updates
- investigating Oct 21, 2025, 01:22 PM UTC
We have identified an issue impacting the US-West region in which DXP customers may receive intermittent HTTP 500-level response codes, experience timeouts or high latency when accessing App Service (Web, Mobile, and API Apps), App Service (Linux), or Function deployments hosted in this region. Teams are working to mitigate impacts and are pursuing further information from the platform team.
- investigating Oct 21, 2025, 02:23 PM UTC
The Platform team has acknowledged the issue and is actively investigating; the situation is being closely monitored, and updates will be provided as soon as they are made available.
- monitoring Oct 21, 2025, 02:48 PM UTC
We are currently seeing sites recovering across the affected region, and we are closely monitoring performance as services stabilize.
- monitoring Oct 21, 2025, 05:17 PM UTC
The Platform team has declared the issue mitigated. Site services are confirmed operational, but we will continue to monitor performance.
- resolved Oct 21, 2025, 07:40 PM UTC
This issue has been declared fully resolved. No further impacts have occurred, and services remain healthy and stable.
Optimizely Data Platform & Optimizely Connect Platform - Data ingestion, export and campaigns issues - NA region
Timeline · 6 updates
- identified Oct 20, 2025, 11:46 AM UTC
Given that some of our vendors are still reporting performance issues, all continuous campaigns in NA region of ODP are paused.
- identified Oct 20, 2025, 01:46 PM UTC
Our cloud platform and storage vendors are working on mitigation and are in the recovery process. However, some Data Platform services are still experiencing issues. As a result, all continuous campaigns in the NA region of ODP are paused. Customers might also encounter data ingestion delays and failures when using the Export API or viewing data in the ODP App.
- identified Oct 20, 2025, 04:41 PM UTC
Our cloud platform and storage vendors are working on mitigation and are in the recovery process. However, some Data Platform and Connect Platform services are still experiencing issues. As a result, all continuous campaigns in the NA region of ODP are paused. Customers might also encounter data ingestion delays and failures when using the Export API or viewing data in the ODP App.
- monitoring Oct 21, 2025, 01:01 AM UTC
A fix has been implemented, and we are monitoring the results.
- monitoring Oct 21, 2025, 09:42 AM UTC
We are continuing to monitor for any further issues.
- resolved Oct 21, 2025, 02:38 PM UTC
This incident has been resolved.
Content Marketing Platform returning 503
Timeline · 3 updates
- investigating Oct 20, 2025, 07:58 AM UTC
We are investigating an ongoing issue with AWS for Increased Error Rates and Latencies affecting Content Marketing Platform availability. A subset of clients will be experiencing high latency or 5xx-errors. We will post additional updates hourly or when we have information available. Thank you for your patience.
- monitoring Oct 20, 2025, 09:33 AM UTC
Our third party service provider has identified the cause and has applied initial mitigations. We are observing signs of recovery for our impacted services such as ODP, CMP, and Experimentation. We will continue to monitor the situation and provide additional update once available. Thanks for your patience.
- resolved Oct 20, 2025, 11:21 AM UTC
This incident has been resolved.
Optimizely Data Platform - Data processing outage - EMEA Region
Timeline · 4 updates
- investigating Oct 19, 2025, 01:39 PM UTC
We are investigating the issue with data processing. Data collection and API are not affected.
- identified Oct 19, 2025, 01:52 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Oct 19, 2025, 02:00 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 19, 2025, 03:42 PM UTC
This incident has been resolved.
Issue with Cloud license portal
Timeline · 5 updates
- investigating Oct 16, 2025, 11:11 AM UTC
We are currently investigating issue with Cloud license portal. It can result in CMS backend license check may fail and longer DXP provisioning.
- identified Oct 16, 2025, 11:23 AM UTC
The issue has been identified and a fix is being implemented.
- monitoring Oct 16, 2025, 11:35 AM UTC
A fix has been implemented and we are monitoring the results.
- monitoring Oct 16, 2025, 11:59 AM UTC
We are continuing to monitor for any further issues.
- resolved Oct 16, 2025, 01:26 PM UTC
This incident has been resolved.
Optimizely NuGet Site Unavailability
Timeline · 3 updates
- investigating Oct 13, 2025, 04:09 AM UTC
We are investigating an ongoing issue with one of the Optimizely public websites: nuget.optimizely.com where clients using the service will be experiencing high latency or 5xx-errors. We will provide additional updates as they become available. Thanks for your patience!
- monitoring Oct 13, 2025, 04:29 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 13, 2025, 07:41 AM UTC
This incident has been resolved.
Search & Navigation - USEA01 Intermittent Performance Issue
Timeline · 3 updates
- investigating Oct 10, 2025, 06:24 AM UTC
We are currently investigating an event that is intermittently impacting performance on the Search & Navigation service in the US region, [USEA01]. A subset of clients will be experiencing high latency or failed requests. We will post additional updates hourly or when we have information available. Thank you for your patience.
- monitoring Oct 10, 2025, 07:06 AM UTC
The service has been restored and we're closely monitoring the service health.
- resolved Oct 10, 2025, 08:04 AM UTC
This incident has been resolved.