Fastly vs KeyCDN
Side-by-side comparison of features, pricing, ratings, and alternatives.
Fastly is a programmable edge cloud platform designed to help developers build, secure, and deliver digital experiences closer to users. By leveraging a modern, Varnish-powered content delivery network (CDN), it accelerates dynamic content delivery, API routing, and image optimization while reducing origin server load. The platform integrates advanced security services, including enterprise-grade Web Application Firewall (WAF), DDoS mitigation, and bot management, all managed at the edge. With real-time observability and instant cache purging, engineering teams gain unprecedented control and visibility over their web traffic and application performance.
KeyCDN is a high-performance content delivery network designed to accelerate digital content distribution globally. It helps websites, software, and media stream faster to users by caching content closer to their physical locations. Built for developers and businesses of all sizes, the platform offers a pay-as-you-go pricing model with instant zone setup, robust security features, and comprehensive real-time analytics to optimize web performance.
- Extremely fast global cache purging speeds
- Robust edge computing capabilities with Compute@Edge
- Highly customizable VCL configuration for advanced routing
- Comprehensive real-time observability and logging
- Pay-as-you-go pricing with no monthly minimums
- Intuitive and user-friendly control panel
- Fast and responsive global edge network
- Robust API and automated SSL integration
- Steeper learning curve for advanced configurations compared to traditional CDNs
- Pricing can become expensive for high-volume enterprise workloads
- Documentation can be technical and complex for beginners
- Lacks advanced edge worker capabilities found in some competitors
- Support is primarily ticket-based without 24/7 phone options
- Basic reporting compared to enterprise-grade analytics suites
More alternatives & similar tools
Alternatives to Fastly
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View all →The Verdict
AI-generated from listing dataFastly offers advanced edge compute and instant global cache invalidation with higher uptime, but at a potentially higher cost and complexity; KeyCDN provides a simpler, lower‑cost CDN with good global coverage but lacks edge‑worker features.
Key differences
- •Fastly supports custom WebAssembly/JavaScript edge compute (Compute@Edge); KeyCDN does not.
- •Fastly’s cache purge happens in milliseconds globally; KeyCDN’s purge speed not specified.
- •Pricing model: Fastly’s pricing unknown and may be expensive for high volume; KeyCDN uses pay‑as‑you‑go with no monthly minimum.
- •Fastly offers a more comprehensive WAF and DDoS mitigation; KeyCDN’s security features are limited to token auth and hotlink protection.
- •Uptime SLA: Fastly 99.99% vs KeyCDN 99.9%.
Pricing & value
KeyCDN has explicit pay‑as‑you‑go pricing with no minimums; Fastly pricing unknown and noted as potentially expensive.
Uptime & reliability
Fastly guarantees 99.99% SLA, higher than KeyCDN's 99.9% availability.
Performance
Fastly offers millisecond‑level global cache invalidation and edge compute, giving superior real‑time performance.
Developer experience
KeyCDN provides an intuitive control panel and easy API; Fastly has a steeper learning curve and complex docs.
Regions & compliance
Both list global datacenter coverage across major continents.
Support
KeyCDN offers ticket‑based support; Fastly support details not provided, so cannot claim superiority.
Lock‑in
KeyCDN’s simple CDN model eases migration; Fastly’s custom VCL and edge compute can increase vendor lock‑in.
Choose Fastly if…
Enterprises needing edge compute, instant purge, and highest uptime, willing to manage complexity and cost.
Choose KeyCDN if…
Small‑to‑medium sites seeking affordable, easy‑to‑use CDN without edge‑worker requirements.
Common questions
Which service is cheaper for a medium‑traffic website?
KeyCDN offers pay‑as‑you‑go pricing with no minimums; Fastly’s pricing is not disclosed and may become expensive at high volume.
Do both providers support custom SSL certificates?
KeyCDN explicitly supports custom SSL and Let's Encrypt; Fastly mentions advanced TLS management but does not detail custom cert support.
Can I run custom code at the edge with either service?
Only Fastly provides edge compute via WebAssembly/JavaScript; KeyCDN lacks edge worker capabilities.

