Outage report · Major outage
Criteo outage on May 21, 2026
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What happened
Criteo reported a major outage starting May 21, 2026, 09:35 UTC, affecting Campaigns, Campaigns, Campaigns, Campaign, Analytics, Analytics, Analytics, Analytics and 26 more. It was marked resolved at May 21, 2026, 16:22 UTC.
- The incident lasted 6h 48m from first report to resolution.
- Criteo had reported 6 other partial or major outages in the 90 days before it.
- 4 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Criteo
Dear customers, we are pleased to report that the issue has been resolved. All services are functioning normally. Thank you for your patience. If you continue to experience issues, please contact your Criteo representative.
What our independent monitoring saw
Our independent monitoring of Criteo started after this incident, so this report is based on Criteo's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Criteo's overall reliability
Criteo has a reliability score of 46.1/100, with 98.25% effective uptime and 7 incidents over the last 90 days.
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