Cloudflare vs Fastly
Cloudflare and Fastly are both evaluated in the CIOPages Content Delivery Network (CDN) & Edge Platforms Buyer's Guide. The guide groups Cloudflare under Security + Developer Edge and Fastly under Programmable Edge.
| Attribute | Cloudflare | Fastly |
|---|---|---|
| Approach | Security + Developer Edge | Programmable Edge |
| Best for | Organizations that want delivery, edge security, and a first-class edge-compute runtime from one converged platform — especially security-driven and developer-led teams consolidating onto a single edge | Engineering-led organizations that want maximum edge control, instant purge, and a high-performance programmable runtime, and value developer experience over the broadest footprint |
From the Content Delivery Network (CDN) & Edge Platforms Buyer's Guide, updated June 2026. 8 vendors evaluated.
Cloudflare
The broadest converged edge, and the strongest single bundle of delivery, security, and compute here: CDN, one of the largest DDoS-mitigation networks, WAF, bot management, and Zero Trust all run on every request across one global network, with security on by default at every tier, and Workers, built on V8 isolates — a mature edge runtime developers genuinely like — extended with KV, D1, and R2 state, Workers AI inference, and Workers for Platforms. The single-network, single-policy model that drives that simplicity is also concentration: a Cloudflare control-plane incident is felt across delivery, security, and compute at once. Deep multi-product adoption creates real platform gravity, and the Workers runtime, excellent as it is, is its own programming model that does not port to other CDNs.
Fastly
Maximum edge control for teams willing to engineer it: instant configuration and cache purge, fine-grained cache logic through VCL, and Fastly Compute, a WebAssembly runtime with very low cold-start that runs custom logic at the edge, with the Next-Gen WAF from the Signal Sciences acquisition rounding out delivery, security, and compute as a well-regarded WAAP. The PoP footprint is smaller than the hyperscalers’ and Akamai’s, so validate reach in your specific geographies. The platform rewards engineering investment in VCL and Wasm and is less turnkey for teams wanting click-ops simplicity, and as a smaller independent it carries more financial and scale scrutiny than the giants.
Also evaluated in this guide
Akamai, Amazon CloudFront, Bunny.net, Gcore, Google Cloud CDN / Media CDN, Microsoft Azure Front Door
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