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Optimizely

Cloudflare outage causing service disruption

Degraded Lasted 42m · started · Optimizely's page

Level
confirmed
Worst impact
Degraded
Components
North Europe
Regions
eu
Down Index
21of 100

What to do

  • Check whether you use Optimizely North Europe in eu. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 42m it lasted.

    Anything that failed between 2026-05-05 21:54 UTC and 2026-05-05 22:36 UTC may need a replay.
  • Subscribe to Optimizely's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=optimizely works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Optimizely 4

  1. investigating

    We are currently aware of an active incident with Cloudflare that is affecting authoritative resolution for the .de TLD. We are continuing to investigate and correspond with Cloudflare to push for rapid mitigation.

    provider

  2. identified

    The issue has been identified, and a fix is being implemented.

    provider

  3. monitoring

    A fix has been put in place, and we are monitoring the results.

    provider

  4. resolved

    This incident has been resolved.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-929e060413

Is Optimizely still down?

No, this incident was resolved 2026-05-05 22:36 UTC. For Optimizely's live state, see https://down.guide/optimizely.

How long did it last?

42m, from 2026-05-05 21:54 UTC to 2026-05-05 22:36 UTC, by the times Optimizely posted.

What was affected?

Optimizely named North Europe in eu.

What caused it?

Optimizely hasn't published a root cause. If it does, it shows here.

Where does this come from?

Optimizely's official status page, https://status.optimizely.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.