Klaviyo: Klaviyo app slowness
Affected components: AnalyticsKlaviyo AppPlatform - Klaviyo App
Timeline of updates
- investigating
Some customers may be experiencing slow load times across the Klaviyo app. Our team is actively looking into the cause. We will share another update as soon as we have more information.
- investigating
We are seeing early signs of improvement in load times across the Klaviyo app. Some pages, including reporting and metrics, may still be slow or show errors. Our team is continuing to investigate. We will share another update as soon as we have more information.
- investigating
Load times across the Klaviyo app continue to improve. Some reporting and metrics pages may show errors, appear blank, or display out-of-date data. Campaign and flow sending are not affected. We will share another update as soon as we have more information.
- identified
Page load times across the Klaviyo app have improved significantly, though some pages may still load slowly. To support this recovery, we temporarily paused some background processing, so reporting and metrics may show out-of-date data or errors. Campaign and flow sending are not affected. We will share another update as soon as we have more information.
- identified
Page load times remain improved. Some reporting and metrics may still show out-of-date data, and a subset of requests to our metrics and reporting APIs may return errors. Campaign and flow sending are not affected. We will share another update as soon as we have more information.
- identified
Page load times across the Klaviyo app have returned to normal, and we have restarted the background processing behind reporting and metrics. Some of this data may continue to appear out of date while it catches up. Campaign and flow sending are not affected. We will share another update as soon as we have more information.
Changes Rewindex caught on this incident
- Major incident: Klaviyo app slowness
- Incident updated: Klaviyo app slowness
- Incident updated: Klaviyo app slowness
- Incident updated: Klaviyo app slowness
- Incident updated: Klaviyo app slowness
- Incident updated: Klaviyo app slowness
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
Rewindex captured this after the last checkpoint; the next run () commits it.
Impact, status and times are the vendor’s own, as last archived. View on status.klaviyo.com (opens in new tab).
Cite this
Status incident (vendor impact label: major) posted by Klaviyo, started 2026-11-04 16:17 UTC, not resolved, 6 update(s); edited after publishing.
- Title
- Klaviyo app slowness
- Vendor
- Klaviyo
- Date
- URL
- https://rewindex.com/company/klaviyo/incidents/8ddxjfk4y44g
Klaviyo profileRecent Klaviyo incidentsAll outages on November 4, 2026Klaviyo in November 2026MarkdownJSON