Email Marketing Platforms · reliability comparison
Constant Contact vs MailerLite: which is more reliable? (2026)
MailerLite is more reliable than Constant Contact, scoring 100.0 vs 90.6 out of 100. Over the last 90 days Constant Contact reported 4 incidents and MailerLite reported 0, with effective uptime of 99.92% and 100% respectively.
Data updated Nov 2, 2026 · How we score
VS
| Metric | Constant Contact | MailerLite |
|---|---|---|
| Reliability score | 90.6 | 100.0 |
| Rank (email marketing platforms) | #8 | #2 |
| Uptime (90 days) | 99.92% | 100% |
| Incidents (90 days) | 4 | 0 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 1h 41m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Constant Contact and MailerLite differ
- MailerLite reported no incidents in the last 90 days, while Constant Contact reported 4.
- Constant Contact had 1 partial or major outage, compared with 0 for MailerLite.
- Constant Contact's longest outage on record lasted 1h 45m (Sep 2, 2026); MailerLite's lasted 7h 32m (Feb 27, 2026).
90-day uptime
Constant Contact
MailerLite
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Constant Contact incidents
- Degraded performanceOct 1, 2026 · resolved in 57m
Delays in email campaign sending
Affected: Email Campaigns
- Degraded performanceSep 16, 2026 · resolved in 30m
Slow website navigation and email delivery
Affected: Email Campaigns
- Degraded performanceSep 14, 2026 · resolved in 3h 33m
Unable to view partner organization reporting
Affected: Reporting
- Partial outageSep 2, 2026 · resolved in 1h 45m
Affected: Login
Recent MailerLite incidents
- MaintenanceAug 14, 2026 · ongoing
Affected: MailerLite Links & tracking, MailerLite Landing pages & websites, MailerLite Email sending
Other email marketing platforms to consider
- Drip · #1 · 100% uptime
- Omnisend · #3 · 100% uptime
- AWeber · #4 · 100% uptime
- HubSpot Marketing Hub · #5 · 100% uptime
See the full most reliable email marketing platforms ranking →