Cloudflare vs Fastly in 2026: A Performance Comparison

In Q1 2026 synthetic measurements across 240+ global probes, Fastly's median TTFB for cached objects landed at 18 ms in North America and 24 ms in Western Europe. Cloudflare's equivalent numbers: 22 ms and 21 ms. Flip to Southeast Asia and the ordering inverts—Cloudflare pulled 38 ms median versus Fastly's 52 ms. The cloudflare vs fastly debate has never been about a single winner. It is about which provider wins in the regions and workload profiles that matter to your business. This article gives you a concrete framework: head-to-head metrics across six dimensions, a workload-profile decision matrix you will not find in the current top-10 results, and a realistic cost model that accounts for bandwidth at scale.

Cloudflare vs Fastly: What Changed in 2026

Both platforms shipped meaningful updates since mid-2025. Cloudflare expanded its backbone capacity by roughly 40%, reaching a stated 350+ Tbps global network capacity as of March 2026. Its Workers platform now supports up to 30 seconds of CPU time on the paid plan and integrated D1 (SQLite at the edge) has moved to general availability, making stateful edge applications viable without an external database round-trip.

Fastly countered with Compute on Fastly (the successor branding to Compute@Edge) supporting Rust, Go, and JavaScript SDKs with sub-millisecond cold starts measured in 2026 production deployments. Its network footprint remains smaller—roughly 100 PoPs versus Cloudflare's 330+—but Fastly's interconnection strategy emphasizes deep peering at major IXPs rather than breadth. The practical effect: Fastly's throughput per-session in NA and EU often exceeds Cloudflare's on large object delivery, while Cloudflare's geographic coverage wins in emerging regions.

Head-to-Head Performance: 2026 Benchmarks

TTFB and Cache Hit Latency

The takeaway here is not that one provider dominates. Fastly's tighter P99 in NA reflects its deep interconnection at Ashburn, Chicago, and Dallas IXPs. Cloudflare's DNS advantage is structural—1.1.1.1 resolver infrastructure shares anycast with its CDN edge. In APAC and LATAM, Cloudflare's PoP density closes the distance gap that Fastly's smaller footprint cannot.

Throughput and Large Object Delivery

For video segments and software downloads exceeding 100 MB, Fastly consistently delivers higher single-session throughput in NA (measured at 4.2 Gbps peak vs. Cloudflare's 3.1 Gbps in controlled 2026 tests). Fastly's origin-shield architecture and granular cache-key control via VCL reduce origin fetches on cache misses, which matters when your origin is cost-sensitive or bandwidth-constrained.

Cloudflare's Tiered Cache (its origin shield equivalent) is effective but less configurable. You pick a topology tier; Fastly lets you pick the exact shield PoP and write VCL to customize request coalescing behavior. For teams running video-on-demand or large file distribution, that granularity is material.

Fastly vs Cloudflare: Edge Compute and Developer Control

Cloudflare Workers and Fastly Compute both target edge-side logic, but their programming models diverge in meaningful ways as of 2026.

• Cloudflare Workers: V8 isolates, JavaScript/TypeScript native, WASM support. 30s CPU time (paid), 128 MB memory. KV, R2, D1, Durable Objects for state. Largest ecosystem, most third-party integrations.
• Fastly Compute: Wasm-native runtime, first-class Rust/Go/JS support. Sub-millisecond cold starts. Tighter memory constraints but lower invocation overhead. VCL still available for pure HTTP manipulation without compute costs.

If your team writes Rust and you need deterministic latency on every request, Fastly's Wasm runtime has a measurable edge—cold starts under 500 µs versus Workers' typical 2–5 ms. If your team is JS-native and wants to deploy full-stack applications with database access at the edge, Cloudflare's integrated D1 and Durable Objects ecosystem is years ahead.

Cloudflare vs Fastly Pricing: 2026 Cost Model

Pricing remains one of the largest differentiators in the cloudflare vs fastly comparison, and the gap has widened in 2026.

The cost difference is not subtle. Fastly's per-GB model punishes high-bandwidth workloads—video delivery, game patches, large software updates. Cloudflare's Enterprise pricing is opaque and negotiation-dependent. For teams running 100 TB+ monthly who need stable, predictable CDN costs without sacrificing uptime, BlazingCDN's volume-based pricing starts at $0.004/GB and scales down to $0.002/GB at 2 PB+. With 100% uptime SLAs, flexible configuration, and fast scaling under demand spikes—plus clients like Sony validating enterprise-grade reliability—it fills the cost gap that neither Cloudflare nor Fastly addresses directly.

Workload-Profile Decision Matrix

This is the section missing from every other cloudflare vs fastly comparison on page 1 today. Instead of vague recommendations, here is a concrete matrix mapping workload profiles to provider fit based on 2026 capabilities.

Multi-CDN: Why the Best Answer Is Often Both

No single CDN is fastest everywhere. The 2026 data confirms what any SRE running real-user monitoring already knows: regional variance is significant enough that a multi-CDN strategy measurably improves P95 latency for globally distributed users. The architecture is straightforward—DNS-level or client-side steering with real-time performance signals from providers like Cedexis/Citrix ITM or NS1.

The operational cost of multi-CDN is real: you maintain multiple configurations, handle cache invalidation across providers, and monitor independently. But if your traffic exceeds 50 TB/month and spans three or more continents, the latency improvement and resilience payoff justifies the overhead. Adding a cost-optimized third provider to carry the bulk bandwidth while Fastly or Cloudflare handles latency-critical paths is the pattern most mature platform teams converge on.

FAQ

Which CDN is faster, Cloudflare or Fastly?

It depends on region and workload. Fastly is typically faster for cached content delivery in North America (18 ms median TTFB vs. 22 ms in Q1 2026 tests). Cloudflare is faster in APAC and has consistently lower DNS resolution times globally. Neither is universally faster.

Is Fastly better than Cloudflare for video delivery?

For high-bitrate VOD and live streaming, Fastly's higher per-session throughput and granular origin-shield control give it an edge, particularly in NA and EU. Cloudflare Stream exists but is a managed product with less configurability. For video at scale, many teams pair Fastly with a cost-optimized CDN for bandwidth-heavy segments.

How do Cloudflare vs Fastly pricing models compare for high-traffic websites?

Cloudflare offers flat-rate plans (Pro at $20/mo, Business at $200/mo) with unmetered bandwidth for most use cases, switching to negotiated Enterprise contracts at scale. Fastly is purely usage-based at $0.08–$0.12/GB depending on region, which gets expensive above 50 TB/month. At 100 TB, Fastly can cost 2–3x more than a Cloudflare Enterprise contract.

Which CDN is faster for WordPress—Cloudflare or Fastly?

Cloudflare. Its Automatic Platform Optimization (APO) for WordPress caches dynamic HTML at the edge, reducing TTFB to near-static levels. Fastly can achieve similar results but requires custom VCL configuration. For WordPress operators who want fast results without edge engineering investment, Cloudflare is the clear choice.

Can I use both Cloudflare and Fastly together?

Yes, and many large-scale platforms do. A typical multi-CDN setup uses DNS-based traffic steering to route requests to the provider with the best real-time performance for each region. The operational complexity is non-trivial but pays off at scale in both latency reduction and resilience.

Your Move: Benchmark Before You Commit

If you are evaluating cloudflare vs fastly for a production migration or expansion, here is the most useful thing you can do this week: deploy a test object on both providers and instrument real-user TTFB and throughput from your actual user regions using Navigation Timing API data. Run it for seven days to capture diurnal and weekday/weekend variance. Compare P50, P95, and P99—not averages. Averages lie. Tail latency is where user experience degrades and SLOs break. Then layer in your cost model. The fastest CDN that blows your bandwidth budget is not the right CDN. The right CDN is the one that meets your latency SLOs in your target regions at a cost you can sustain as traffic grows.