CDN & DNS Providers · reliability comparison
Cloudflare vs Imperva: which is more reliable? (2026)
Cloudflare is more reliable than Imperva, scoring 65.0 vs 31.9 out of 100. Over the last 90 days Cloudflare reported 15 incidents and Imperva reported 30, with effective uptime of 99.52% and 96.09% respectively. Cloudflare resolves incidents faster on average (2h 28m).
Data updated Nov 1, 2026 · How we score
| Metric | Cloudflare | Imperva |
|---|---|---|
| Reliability score | 65.0 | 31.9 |
| Rank (CDN & DNS providers) | #7 | #9 |
| Uptime (90 days) | 99.52% | 96.09% |
| Incidents (90 days) | 15 | 30 |
| Partial / major outages | 2 | 8 |
| Avg time to resolve | 2h 28m | 11h 57m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Cloudflare and Imperva differ
- Imperva reported 2× as many incidents as Cloudflare over the last 90 days (30 vs 15).
- Imperva had 8 partial or major outages, compared with 2 for Cloudflare.
- Cloudflare fixes problems faster: 2h 28m on average, against 11h 57m for Imperva (4.8× quicker).
- Cloudflare's longest outage on record lasted 2h 56m (Oct 23, 2026); Imperva's lasted 3d (Aug 13, 2026).
90-day uptime
Cloudflare
Imperva
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Cloudflare incidents
- Degraded performanceOct 31, 2026 · resolved in 16m
Cache purge delays in Qingdao Shandong, China
Affected: CDN Cache Purge
- Degraded performanceOct 29, 2026 · resolved in 1h 33m
Increased errors and latency for CNI 2.0 traffic in LAX
Affected: Cloud Network Interconnect (CNI), Los Angeles, United States - (LAX)
- Degraded performanceOct 28, 2026 · resolved in 1h 10m
Network Performance Issues in Queretaro, MX
Affected: Queretaro, Mexico - (QRO)
- Degraded performanceOct 28, 2026 · resolved in 17h 39m
Network Performance Issues in Ashburn, IAD
Affected: Ashburn, United States - (IAD)
- Degraded performanceOct 27, 2026 · resolved in 1h 4m
Cache Purging Delays Affecting Requests Routed Through EEUR
Affected: CDN Cache Purge, Stockholm, Sweden - (ARN)
- Partial outageOct 27, 2026 · resolved in 2h 44m
ERR_TIMED_OUT and ERR_EMPTY_RESPONSE being observed by Cloudflare Customersofficial update ↗
Recent Imperva incidents
- Major outageOct 29, 2026 · resolved in 9h 5m
[INC-1173] - QRO PoP Connectivity Issueofficial update ↗
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) PoPofficial update ↗
Affected: Dallas, TX (DAL)
Other CDN & DNS providers to consider
- DNSimple · #1 · 99.94% uptime
- Amazon CloudFront · #2 · 100% uptime
- Amazon Route 53 · #3 · 100% uptime
- Google Cloud CDN & Cloud DNS · #4 · 99.85% uptime