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description Fastly Overview

Fastly is a high-performance, developer-centric CDN built on the Varnish cache. It's known for its real-time purging capabilities, allowing instant content updates across its network. The Fastly Compute@Edge platform supports WebAssembly for running custom logic globally. It excels in delivering dynamic and static content for media streaming, e-commerce, and API acceleration.

Primarily targeting tech-savvy enterprises and developers, its pricing is usage-based. Fastly ranks highly for its raw speed, powerful configurability, real-time control, and strong focus on the developer experience and edge compute innovation.

recommend Best for: Ideal for developers and organizations requiring dynamic content delivery and real-time updates.

info Fastly Specifications

balance Fastly Pros & Cons

thumb_up Pros
  • check Real-time purging capabilities
  • check Supports WebAssembly via Compute@Edge
  • check High-performance caching
  • check Developer-friendly API
thumb_down Cons
  • close Cost can be high for small businesses
  • close Limited free tier options
  • close Complex setup for beginners
  • close Less focus on security features compared to some competitors

help Fastly FAQ

What is the difference between Fastly and other CDNs?

Fastly excels in real-time purging, WebAssembly support, and high performance, making it ideal for dynamic content delivery.

Is there a free plan available with Fastly?

Yes, but it has limitations such as bandwidth and request limits.

How does Compute@Edge work in Fastly?

Compute@Edge allows you to run custom logic at the edge of your network using WebAssembly, enabling more complex use cases.

What is Fastly?
Fastly is a high-performance, developer-centric CDN built on the Varnish cache. It's known for its real-time purging capabilities, allowing instant content updates across its network. The Fastly Compute@Edge platform supports WebAssembly for running custom logic globally. It excels in delivering dynamic and static content for media streaming, e-commerce, and API acceleration. Primarily targeting tech-savvy enterprises and developers, its pricing is usage-based. Fastly ranks highly for its raw speed, powerful configurability, real-time control, and strong focus on the developer experience and edge compute innovation.
How good is Fastly?
Fastly scores 8.9/10 (Very Good) on Lunoo, making it a well-rated option in the CDN Provider category. Fastly scores 8.5/10 due to its high performance and real-time purging capabilities, but it can be expensive for small businesses and lacks some secur...
How much does Fastly cost?
Free Plan • From $20/mo. Visit the official website for the most up-to-date pricing.
What are the best alternatives to Fastly?
See our alternatives page for Fastly for a ranked list with scores. Top alternatives include: Akamai, Gcore, Google Cloud CDN.
What is Fastly best for?

Ideal for developers and organizations requiring dynamic content delivery and real-time updates.

How does Fastly compare to Akamai?
See our detailed comparison of Fastly vs Akamai with scores, features, and an AI-powered verdict.
Is Fastly worth it in 2026?
With a score of 8.9/10, Fastly is highly rated in CDN Provider. See all CDN Provider ranked.
What are the key specifications of Fastly?
  • API: RESTful API
  • Platform: Web
  • Languages: JavaScript, Python, Ruby, Go
  • Integration: API, CLI, SDKs for various languages

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