Marketing Automation & CDPs · reliability comparison
Klaviyo vs Adobe Marketo Engage: which is more reliable? (2026)
Klaviyo is more reliable than Adobe Marketo Engage, scoring 62.2 vs 33.1 out of 100. Over the last 90 days Klaviyo reported 13 incidents and Adobe Marketo Engage reported 30, with effective uptime of 99.26% and 97.63% respectively. Klaviyo resolves incidents faster on average (3h 39m).
Data updated Nov 1, 2026 · How we score
| Metric | Klaviyo | Adobe Marketo Engage |
|---|---|---|
| Reliability score | 62.2 | 33.1 |
| Rank (marketing automation platforms) | #11 | #14 |
| Uptime (90 days) | 99.26% | 97.63% |
| Incidents (90 days) | 13 | 30 |
| Partial / major outages | 5 | 10 |
| Avg time to resolve | 3h 39m | 11h 1m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Klaviyo and Adobe Marketo Engage differ
- Adobe Marketo Engage reported 2.3× as many incidents as Klaviyo over the last 90 days (30 vs 13).
- Adobe Marketo Engage had 10 partial or major outages, compared with 5 for Klaviyo.
- Klaviyo fixes problems faster: 3h 39m on average, against 11h 1m for Adobe Marketo Engage (3.0× quicker).
- Klaviyo's longest outage on record lasted 2d 1h (May 5, 2026); Adobe Marketo Engage's lasted 4h 49m (Oct 13, 2026).
90-day uptime
Klaviyo
Adobe Marketo Engage
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Klaviyo incidents
- Partial outageOct 29, 2026 · resolved in 2h 10m
Campaign Sending Delaysofficial update ↗
Affected: Email Sending, Text Message Sending, WhatsApp Sending, Mobile Push Sending
- InformationalOct 28, 2026 · resolved in 23h 43m
Affected: Email Sending, Text Message Sending, WhatsApp Sending, Mobile Push Sending, Processing
- Partial outageOct 22, 2026 · resolved in 14h 47m
Outbound Webhook Delaysofficial update ↗
Affected: Analytics
- Partial outageOct 17, 2026 · resolved in 4h 49m
Flow Sending Delaysofficial update ↗
Affected: Email Sending, Text Message Sending, WhatsApp Sending, Mobile Push Sending, Flow Editor, Processing
- Degraded performanceOct 9, 2026 · resolved in 2h 6m
Analytics Events Processing Delays
Affected: Segments, Profiles, Analytics
- Major outageOct 8, 2026 · resolved in 1h 13m
Login and page loading issuesofficial update ↗
Affected: Klaviyo App
Recent Adobe Marketo Engage incidents
- Degraded performanceOct 21, 2026 · resolved in 5h 14m
- Degraded performanceOct 21, 2026 · resolved in 2h 43m
- Partial outageOct 21, 2026 · resolved in 1h 58m
- Degraded performanceOct 15, 2026 · resolved in 7h 6m
- Partial outageOct 14, 2026 · resolved in 1h 38m
- Partial outageOct 13, 2026 · resolved in 4h 49m
A subset of Adobe Marketo Engage customers hosted in the Americas region may be experiencing intermittent issues accessing the Marketo En…official update ↗
Other marketing automation platforms to consider
- Customer.io · #1 · 99.99% uptime
- HubSpot Marketing Hub · #2 · 100% uptime
- Iterable · #3 · 99.96% uptime
- RudderStack · #4 · 99.94% uptime
See the full most reliable marketing automation & customer data platforms ranking →