Web & Product Analytics · reliability comparison
Fullstory vs Hotjar: which is more reliable? (2026)
Hotjar is more reliable than Fullstory, scoring 99.2 vs 73.2 out of 100. Over the last 90 days Fullstory reported 5 incidents and Hotjar reported 2, with effective uptime of 99.63% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Fullstory | Hotjar |
|---|---|---|
| Reliability score | 73.2 | 99.2 |
| Rank (analytics tools) | #7 | #1 |
| Uptime (90 days) | 99.63% | 100% |
| Incidents (90 days) | 5 | 2 |
| Partial / major outages | 2 | 0 |
| Avg time to resolve | 5h 38m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Fullstory and Hotjar differ
- Fullstory reported 2.5× as many incidents as Hotjar over the last 90 days (5 vs 2).
- Fullstory had 2 partial or major outages, compared with 0 for Hotjar.
- Fullstory's longest outage on record lasted 5h 17m (Sep 1, 2026); Hotjar's lasted 2d 11h (Nov 14, 2025).
90-day uptime
Fullstory
Hotjar
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Fullstory incidents
- Partial outageSep 23, 2026 · resolved in <1m
Failure to load assets during playback for sessions (EU1 Data Center)
- Degraded performanceSep 7, 2026 · resolved in 14h 46m
Delayed Session Data Availability for a Subset of NA1 Data Center Orgs
Affected: Fullstory Web Application, Webhooks & Alerts
- Major outageSep 1, 2026 · resolved in 5h 17m
Multiple Fullstory Services Unavailable (NA1 Data Center)official update ↗
Affected: Data Capture - Web, Data Capture - Native Mobile, API, Fullstory Web Application, Fullstory Web Application, Webhooks & Alerts +4 more
- Degraded performanceAug 18, 2026 · resolved in 2h 27m
Delays for Warehouse Customers in NA1 Data Center
Affected: Fullstory Web Application, Fullstory Web Application, Webhooks & Alerts, Webhooks & Alerts, Anywhere: Warehouse, Anywhere: Warehouse
- InformationalAug 7, 2026 · resolved in <1m
Recent Hotjar incidents
- InformationalSep 4, 2026 · resolved in 3h 41m
- InformationalAug 13, 2026 · resolved in <1m
Other analytics tools to consider
- Lucky Orange · #2 · 99.98% uptime
- Google Analytics · #3 · 99.89% uptime
- Mixpanel · #4 · 99.84% uptime
- Pendo · #5 · 99.75% uptime
See the full most reliable web & product analytics tools ranking →