Outage in Optimizely

Platform Health Event in US-West Region

Resolved Minor
October 21, 2025 - Started 4 days ago - Lasted about 6 hours
Official incident page

Incident Report

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.

Need to monitor Optimizely outages?

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Try IsDown risk-free 14-day free trial · No credit card required
Latest Updates ( sorted recent to last )
RESOLVED 4 days ago - at 10/21/2025 07:40PM

This issue has been declared fully resolved. No further impacts have occurred, and services remain healthy and stable.

MONITORING 4 days ago - at 10/21/2025 05:17PM

The Platform team has declared the issue mitigated. Site services are confirmed operational, but we will continue to monitor performance.

MONITORING 4 days ago - at 10/21/2025 02:48PM

We are currently seeing sites recovering across the affected region, and we are closely monitoring performance as services stabilize.

INVESTIGATING 4 days ago - at 10/21/2025 02:23PM

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.

INVESTIGATING 4 days ago - at 10/21/2025 01:22PM

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.

The Status Page Aggregator Built for IT Teams

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 trial

No credit card required · Cancel anytime · 4522 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook