CDN & DNS Providers · reliability comparison
Google Cloud CDN & Cloud DNS vs Imperva: which is more reliable? (2026)
Google Cloud CDN & Cloud DNS is more reliable than Imperva, scoring 84.7 vs 31.9 out of 100. Over the last 90 days Google Cloud CDN & Cloud DNS reported 1 incident and Imperva reported 30, with effective uptime of 99.85% and 96.09% respectively. Google Cloud CDN & Cloud DNS resolves incidents faster on average (6h 8m).
Data updated Nov 1, 2026 · How we score
| Metric | Google Cloud CDN & Cloud DNS | Imperva |
|---|---|---|
| Reliability score | 84.7 | 31.9 |
| Rank (CDN & DNS providers) | #4 | #9 |
| Uptime (90 days) | 99.85% | 96.09% |
| Incidents (90 days) | 1 | 30 |
| Partial / major outages | 1 | 8 |
| Avg time to resolve | 6h 8m | 11h 57m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Google Cloud CDN & Cloud DNS and Imperva differ
- Imperva reported 30× as many incidents as Google Cloud CDN & Cloud DNS over the last 90 days (30 vs 1).
- Imperva had 8 partial or major outages, compared with 1 for Google Cloud CDN & Cloud DNS.
- Google Cloud CDN & Cloud DNS fixes problems faster: 6h 8m on average, against 11h 57m for Imperva.
- Google Cloud CDN & Cloud DNS's longest outage on record lasted 3d (Jun 5, 2026); Imperva's lasted 3d (Aug 13, 2026).
90-day uptime
Google Cloud CDN & Cloud DNS
Imperva
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Google Cloud CDN & Cloud DNS incidents
- Partial outageOct 20, 2026 · resolved in 6h 8m
Multiple services were experiencing issues in the europe-west2 region.official update ↗
Affected: AlloyDB for PostgreSQL, Apigee, BigQuery Data Transfer Service, Cloud Data Fusion, Cloud Filestore, Cloud Firestore +32 more
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
- Bunny.net · #5 · 99.83% uptime