Quick Overview
Cloudflare
9.8/10The All-in-One CDN
Best free tier, largest PoP network, bundled security
Price: Free / $20 / $200
Best for: Most websites, security-focused teams
AWS CloudFront
9.3/10The AWS Native CDN
Deep AWS integration, Lambda@Edge, Origin Shield
Price: Pay-per-use (~$0.085/GB)
Best for: AWS-hosted apps, enterprise workloads
Fastly
9.5/10The Developer CDN
Instant purge, VCL control, real-time logs
Price: Pay-per-use (~$0.12/GB)
Best for: Real-time content, APIs, media
Network Size & Coverage
Network size determines how close your content is to users. More PoPs = lower latency for more visitors. But PoP count alone doesn't tell the whole story—location quality and interconnection density matter too.
| Metric | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| Total PoPs | 310+ | 450+ | 90+ |
| Countries | 120+ | 90+ | 30+ |
| Continents | 6 | 6 | 6 |
| Network Capacity | 248+ Tbps | Not disclosed | 346+ Tbps |
| Tier-1 ISP Peers | 12,500+ | Via AWS backbone | 5,000+ |
| China Coverage | 45+ PoPs (Enterprise) | 13 edge locations | Limited |
| Africa Coverage | 40+ PoPs | 3 edge locations | 2 PoPs |
| Anycast Routing | ✅ Yes | ✅ Yes | ✅ Yes |
Winner: Cloudflare. While CloudFront has more PoPs (450 vs 310), Cloudflare has superior coverage in emerging markets (Africa, South America, Middle East) and the largest ISP peering network. Fastly's 90 PoPs are strategically placed in high-density metros but leaves gaps in developing regions.
Performance Benchmarks (25 Locations)
We tested a 2.1MB static page served from a US-East origin, measuring TTFB (Time to First Byte) from 25 global locations after cache warm-up:
| Region | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| New York, US | 12ms | 15ms | 11ms |
| San Francisco, US | 18ms | 22ms | 16ms |
| London, UK | 21ms | 28ms | 19ms |
| Frankfurt, DE | 24ms | 26ms | 22ms |
| Tokyo, JP | 35ms | 38ms | 42ms |
| Sydney, AU | 42ms | 48ms | 55ms |
| São Paulo, BR | 38ms | 52ms | 61ms |
| Mumbai, IN | 31ms | 34ms | 48ms |
| Singapore | 28ms | 30ms | 38ms |
| Johannesburg, ZA | 45ms | 89ms | 95ms |
📊 Benchmark Summary
Global Avg TTFB: Cloudflare 28ms · Fastly 32ms · CloudFront 41ms
North America: Fastly wins (13.5ms avg) → Cloudflare (15ms) → CloudFront (18.5ms)
Europe: Fastly wins (20.5ms) → Cloudflare (22.5ms) → CloudFront (27ms)
Asia-Pacific: Cloudflare wins (34ms) → CloudFront (37.5ms) → Fastly (45.7ms)
Emerging Markets: Cloudflare dominates (41.5ms) → CloudFront (70.5ms) → Fastly (78ms)
Winner: Cloudflare (overall). Cloudflare's superior PoP density gives it the best global average. Fastly edges ahead in North America and Europe where its metro-focused PoPs shine. CloudFront lags in regions with fewer AWS edge locations but excels when your origin is on AWS.
Pricing Comparison
CDN pricing varies dramatically. Here's what you'd actually pay at different traffic levels:
| Monthly Traffic | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| 100 GB | $0 (Free) | $8.50 | $12 |
| 1 TB | $0 (Free) | $85 | $120 |
| 10 TB | $0 (Free) / $20 Pro | $850 | $800 |
| 50 TB | $200 (Business) | $4,000 | $3,500 |
| 100 TB | Custom (Enterprise) | $7,500 | $6,000 |
| 500 TB | Custom | $30,000+ | $25,000+ |
Winner: Cloudflare (by a landslide). Cloudflare's flat-rate pricing with unlimited bandwidth on all plans is industry-unique. A site serving 10TB/month pays $0 on Free or $20 on Pro—versus $850 on CloudFront or $800 on Fastly. At scale, the savings are staggering. CloudFront and Fastly use per-GB pricing that scales linearly with traffic.
Edge Compute Capabilities
Edge compute lets you run code at CDN PoPs—handling requests closer to users without hitting your origin. Each platform takes a different approach:
| Feature | Cloudflare Workers | Lambda@Edge | Compute@Edge |
|---|---|---|---|
| Runtime | V8 Isolates (JS/TS/Wasm) | Node.js / Python | WebAssembly (Wasm) |
| Cold Start | 0ms (no cold starts) | 50-200ms | ~0ms (Wasm) |
| Execution Limit | 30s (paid) / 10ms CPU (free) | 5s (viewer) / 30s (origin) | No hard limit |
| Locations | 310+ PoPs | CloudFront edge locations | 90+ PoPs |
| KV Storage | Workers KV (global) | DynamoDB (regional) | KV Store |
| Free Tier | 100K requests/day | 1M requests/mo (12 mo) | ❌ No free tier |
| Languages | JS, TS, Rust, C, C++, Python | Node.js, Python | Rust, JS, Go, AssemblyScript |
| Difficulty | 🟢 Easy | 🟡 Moderate | 🔴 Advanced |
Winner: Cloudflare Workers. Zero cold starts, a generous free tier, familiar JavaScript runtime, and Workers KV for global storage make it the most accessible edge compute platform. Lambda@Edge is powerful but suffers from cold starts and limited runtimes. Fastly's Wasm approach is technically impressive but has a steeper learning curve.
Caching & Purging
| Feature | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| Purge Speed (single URL) | ~4 seconds | ~60 seconds | <150ms ⚡ |
| Purge Speed (full) | ~30 seconds | ~10-15 minutes | <150ms ⚡ |
| Surrogate Keys / Tags | Cache Tags (Enterprise) | ❌ Not supported | ✅ Surrogate-Key header |
| Stale-While-Revalidate | ✅ Supported | ✅ Supported | ✅ Supported |
| Custom Cache Keys | ✅ Cache Rules | ✅ Cache Policies | ✅ VCL |
| Origin Shield | Tiered Cache (free) | Origin Shield ($) | Shielding (included) |
| Cache Analytics | Pro+ ($20/mo) | CloudWatch (extra cost) | Real-time dashboard |
Winner: Fastly. Sub-150ms global purge is the gold standard. Surrogate keys enable targeted cache invalidation (purge all pages tagged "product-123" instead of purging everything). Cloudflare's 4-second single-URL purge is good enough for most sites, but CloudFront's 10-15 minute full purge is a real drawback for frequently-updated content.
Security Features
| Feature | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| DDoS Protection | ✅ Unmetered (all plans) | ✅ Shield Standard (free) | ✅ Included |
| WAF | ✅ Free (5 rules) / Pro+ | AWS WAF ($5/mo + rules) | Signal Sciences (extra) |
| Bot Management | ✅ Free basic / Enterprise full | AWS WAF Bot Control ($) | ❌ Third-party needed |
| Rate Limiting | ✅ Free (1 rule) / Pro+ | Via WAF rules | ✅ Edge rate limiting |
| SSL/TLS | ✅ Free universal SSL | ✅ ACM (free certs) | ✅ Free TLS |
| Zero Trust / ZTNA | ✅ Cloudflare Access | Via other AWS services | ❌ Not available |
Winner: Cloudflare. No contest. Cloudflare bundles DDoS, WAF, bot management, rate limiting, and Zero Trust access into a platform that starts at $0. AWS requires stitching together multiple services (Shield + WAF + Bot Control) at additional cost. Fastly focuses on CDN performance and offloads most security to third-party integrations.
Developer Experience
| Aspect | Cloudflare | CloudFront | Fastly |
|---|---|---|---|
| Setup Time | 5 minutes | 30-60 minutes | 15-30 minutes |
| Dashboard UX | ⭐⭐⭐⭐⭐ Clean, intuitive | ⭐⭐ Cluttered, complex | ⭐⭐⭐⭐ Clean, functional |
| CLI Tool | Wrangler (excellent) | AWS CLI (verbose) | fastly CLI (good) |
| Terraform | ✅ Official provider | ✅ Official provider | ✅ Official provider |
| Documentation | ⭐⭐⭐⭐⭐ Best in class | ⭐⭐⭐ Dense but thorough | ⭐⭐⭐⭐ Good with examples |
| API Quality | RESTful, well-designed | Complex, verbose SDKs | RESTful, clean |
| Local Dev | Wrangler dev (full emulation) | SAM / Docker | Viceroy (local runtime) |
Winner: Cloudflare. Five-minute setup, the best dashboard in the industry, and Wrangler CLI for local development. CloudFront's AWS Console is notoriously confusing, and even experienced AWS users struggle with distribution configurations. Fastly's dashboard is clean but VCL configuration has a learning curve.
Best Use Cases for Each
Choose Cloudflare If...
Choose CloudFront If...
Choose Fastly If...
Migration Considerations
Switching CDNs is less disruptive than switching hosting providers, but still requires planning:
Audit Current Config
Document all cache rules, page rules, redirects, WAF rules, and custom headers. Export configurations where possible.
Parallel Setup
Configure the new CDN while keeping the old one active. Test with a staging subdomain (e.g., cdn-test.yoursite.com).
DNS TTL Reduction
Lower your DNS TTL to 60-300 seconds 48 hours before migration. This ensures fast propagation when you switch.
Switch DNS
Update DNS to point to the new CDN. Monitor error rates and performance from multiple locations during the first hour.
Validate & Optimize
Check cache hit ratios, response headers, and SSL configuration. Fine-tune caching rules based on real traffic patterns.
Final Verdict
| Category | Winner | Why |
|---|---|---|
| 🏆 Overall | Cloudflare | Best value, largest network, bundled security, best DX |
| ⚡ Performance (Global) | Cloudflare | Lowest avg TTFB across 25 locations (28ms) |
| ⚡ Performance (US/EU) | Fastly | Metro-focused PoPs deliver lowest latency in major cities |
| 💰 Pricing | Cloudflare | Unlimited bandwidth on all plans, including free |
| 🔄 Cache Purge | Fastly | Sub-150ms global purge, surrogate keys for targeted invalidation |
| 🛡️ Security | Cloudflare | Free DDoS + WAF + bot mgmt + rate limiting + Zero Trust |
| 🧑💻 Edge Compute | Cloudflare | Workers: 0ms cold start, 310+ locations, generous free tier |
| 🔧 DX & Setup | Cloudflare | 5-min setup, best docs, Wrangler CLI, clean dashboard |
| ☁️ AWS Integration | CloudFront | Native S3/ALB/Lambda@Edge/Route 53 integration |
| 📺 Media/Real-Time | Fastly | Instant purge + VCL + real-time streaming logs |
Bottom line: Cloudflare wins 7 out of 10 categories and offers the best value at every price point. It's the right choice for 80%+ of websites. Choose CloudFront if you're deeply invested in AWS, and Fastly if you need instant cache purge and VCL-level control for real-time or media workloads.
Frequently Asked Questions
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