Open interactive comparison
Cloudflare vs Amazon CloudFront vs Fastly vs Imperva (Incapsula): CDN Performance Comparison
Compare Cloudflare vs Amazon CloudFront vs Fastly vs Imperva (Incapsula). Current page data shows Cloudflare has the lowest P50 latency (38ms), while Amazon CloudFront has the highest P50 throughput (154.88 Mbps). Review latency, uptime, throughput, sample size, and security capabilities side by side.
Data updated: 9/22/2026, 10:52:27
CDNs in this comparison
Core metric comparison
| Metric | Cloudflare | Amazon CloudFront | Fastly | Imperva (Incapsula) |
|---|---|---|---|---|
| Overall score | 80 | 81 | 79 | 66 |
| P50 latency | 38ms | 39ms | 41ms | 120.43ms |
| P95 latency | 55.86ms | 54.68ms | 58.25ms | 173.26ms |
| Uptime | 99.77% | 99.74% | 99.72% | 99.76% |
| P50 throughput | 139.05 Mbps | 154.88 Mbps | 137.07 Mbps | 90.7 Mbps |
| Security score | 50 | 50 | 50 | 50 |
| HTTP/3 | ||||
| Samples | 5,581 | 2,032 | 4,440 | 913 |
| Pricing model | Free tier + usage-based billing | pay-as-you-go | Pay-as-you-go | Enterprise contract |
Data notes and methodology
Comparison results are generated using a unified metric framework; data update time, sample size, and missing items are clearly displayed on the page.
This page retains the latest result that met the publication criteria and is replaced only by newer qualifying data.