Everything you need to build on Fastly

Push application logic to the edge with ready-to-deploy recipes, structured tutorials, and API documentation.

Push your app logic to the edge.

Get started without registering — clone this example or start a blank fiddle.

See the possibilities: learn from our fully documented solution patterns for A/B testing, token based authentication, redirects and many more.

Explore solution patterns

Push RUN to test!

Get started with ready-to-deploy recipes.

Solve problems faster with code samples developed by Fastly’s experts. Copy the code, customize it to meet your needs, and deploy it to your configuration.

Ideas, meet tools.

There are near-infinite ways to build custom solutions and applications on Fastly's powerful, programmable edge.

VCL reference

Use the flexible and powerful Varnish Configuration Language to create logic at the edge.

API reference

Imagine new ways to automate your workflow.

Fastly Fiddle

Play with the Fastly platform without logging in.

Join the Compute@Edge beta.

Bring your most complex problems and use cases to our new serverless compute environment. Powered by WebAssembly and with 100x faster startup time than other serverless offerings, you can do more at the edge with unprecedented power, flexibility, and scale.

Apply for the beta

Discover what’s happening at the edge.

The edge of the network is an exciting, new frontier. Read the latest about the evolving protocols and experimental technologies shaping the future of the internet.

How Compute@Edge is tackling the most frustrating aspects of serverless

Serverless solutions are good news for developers, but they can cause plenty of headaches, including cold starts, regional latency, and a lack of observability. Compute@Edge, Fastly’s serverless compute environment — built on Wasm and run globally — can help solve those problems.

Gartner names Signal Sciences a Visionary in the 2020 Magic Quadrant for Web Application Firewalls for second consecutive year

We believe Signal Sciences’ innovation earned them recognition in the 2019 Gartner Magic Quadrant for WAF, and it’s this kind of innovation that excites us as we merge forces — now that Signal Sciences is part of Fastly.

Fastly introduces two solutions to answer the demand for quality, low-latency live event and on-demand experiences

With two new solutions, Fastly is empowering video engineers to address the growing streaming-at-scale challenge head on with enhancements to its video-on-demand and live event services capabilities, helping them deliver quality user experiences no matter what their end users are streaming.

Fastly Labs

Step inside our collective space dedicated to innovation at the edge. Run experiments and test-drive our latest in-progress projects, like our native runtime and compiler, Lucet or our multi-language, browser-based editor, Terrarium.

Visit Fastly Labs