Email Marketing Platforms · reliability comparison

Constant Contact vs HubSpot Marketing Hub: which is more reliable? (2026)

HubSpot Marketing Hub is more reliable than Constant Contact, scoring 96.2 vs 90.6 out of 100. Over the last 90 days Constant Contact reported 4 incidents and HubSpot Marketing Hub reported 10, with effective uptime of 99.92% and 100% respectively.

Data updated Nov 1, 2026 · How we score

MetricConstant ContactHubSpot Marketing Hub
Reliability score90.696.2
Rank (email marketing platforms)#8#5
Uptime (90 days)99.92%100%
Incidents (90 days)410
Partial / major outages10
Avg time to resolve1h 41m—
Outages we detected00
Transparency score100/100100/100

Where Constant Contact and HubSpot Marketing Hub differ

  • HubSpot Marketing Hub reported 2.5× as many incidents as Constant Contact over the last 90 days (10 vs 4).
  • Constant Contact had 1 partial or major outage, compared with 0 for HubSpot Marketing Hub.
  • Constant Contact's longest outage on record lasted 1h 45m (Sep 2, 2026); HubSpot Marketing Hub's lasted 3d (Jul 14, 2026).

90-day uptime

Constant Contact

Aug 4, 2026 – Sep 1, 2026: no incidentsSep 2, 2026: 96.34% uptime, 1 incident (Partial outage)Sep 3, 2026 – Sep 13, 2026: no incidentsSep 14, 2026: 97.78% uptime, 1 incident (Degraded performance)Sep 15, 2026: no incidentsSep 16, 2026: 99.68% uptime, 1 incident (Degraded performance)Sep 17, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 99.40% uptime, 1 incident (Degraded performance)Oct 2, 2026 – Nov 1, 2026: no incidents
90 days ago99.924% average daily uptimeToday

HubSpot Marketing Hub

Aug 4, 2026 – Nov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

Recent Constant Contact incidents

Full Constant Contact reliability report →

Recent HubSpot Marketing Hub incidents

Full HubSpot Marketing Hub reliability report →

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