CDN & DNS Providers · reliability comparison
Amazon CloudFront vs Imperva: which is more reliable? (2026)
Amazon CloudFront is more reliable than Imperva, scoring 89.2 vs 31.9 out of 100. Over the last 90 days Amazon CloudFront reported 1 incident and Imperva reported 30, with effective uptime of 100% and 96.09% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Amazon CloudFront | Imperva |
|---|---|---|
| Reliability score | 89.2 | 31.9 |
| Rank (CDN & DNS providers) | #2 | #9 |
| Uptime (90 days) | 100% | 96.09% |
| Incidents (90 days) | 1 | 30 |
| Partial / major outages | 0 | 8 |
| Avg time to resolve | — | 11h 57m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Amazon CloudFront and Imperva differ
- Imperva reported 30× as many incidents as Amazon CloudFront over the last 90 days (30 vs 1).
- Imperva had 8 partial or major outages, compared with 0 for Amazon CloudFront.
- Amazon CloudFront's longest outage on record lasted 3h 38m (Jul 16, 2026); Imperva's lasted 3d (Aug 13, 2026).
90-day uptime
Amazon CloudFront
Imperva
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Amazon CloudFront incidents
- Degraded performanceSep 15, 2026 · resolved (duration not published)
Service is operating normally: [RESOLVED] Amazon CloudFront Operational Issue
Recent Imperva incidents
- Major outageOct 29, 2026 · resolved in 9h 5m
[INC-1173] - QRO PoP Connectivity Issue
Affected: Queretaro, Mexico (QRO)
- Degraded performanceOct 20, 2026 · resolved in 7h 38m
[INC-1166] Service Degradation Affecting Newly Onboarded Sites
Affected: Cloud Security Management Platform
- InformationalOct 19, 2026 · resolved in 5h 10m
[INC-1165] Service Degradation Affecting Newly Onboarded Sites
- InformationalOct 13, 2026 · resolved in 2h 11m
- Degraded performanceOct 13, 2026 · resolved in 4h 16m
[INC-1160] Degradation of Imperva Generated Certificate Issuance
Affected: Cloud Security Management Platform
- Partial outageOct 9, 2026 · resolved in 11h 55m
[INC-1158] Service Degradation of Dallas, TX (DAL) PoP
Affected: Dallas, TX (DAL)
Other CDN & DNS providers to consider
- DNSimple · #1 · 99.94% uptime
- Amazon Route 53 · #3 · 100% uptime
- Google Cloud CDN & Cloud DNS · #4 · 99.85% uptime
- Bunny.net · #5 · 99.83% uptime