The basic concept of performing authentication and then using identity data to make authorization decisions is something that applies to a large majority of web and native apps. Doing this…

We’ve overhauled our developer solutions content, adding two new content formats and reorganizing our popular recipes and solution patterns. Meet our new code examples, tutorials, demos, and…

Become "edge-native" in your next project and seamlessly run multiple instances concurrently and be prepared for the server-less world.

Fastly Fiddle, our code playground tool, is a React single-page app that uses the excellent Monaco IDE component that powers VS Code. Problem is, Monaco is huge. And most uses of Fiddle are…

Serving stale content not only lets you deliver the content users want more often, but also deliver predictable, professional, and helpful error content when origin servers cannot be reached…

When using Fastly in front of Google Cloud Storage, cloud functions can enable purging of Fastly’s edge cloud platform instantly and selectively to ensure content updates are seen by users…

Over the last eight years of providing a platform for coding at the edge, we've learned a lot about common patterns, as well as common mistakes and risky code. Best practices in Fastly VCL…

Since the August launch of Build on Fastly, our developer library, we have been quietly adding many new solutions: beacon termination, geofencing, numerous flavours of load balancing, and…

Many customers now upload their CDN configuration as part of their continuous deployment process. That means you need to be able to automate testing too. Here’s how.

Contrary to belief, caching API responses isn't that hard, and can help cache performance. Here, we look at some specific use cases across publishing, e-commerce, and travel and hospitality.

SEO is a murky science, with search engines striving to present the best possible result, and everyone else trying to figure out what "best" means in practice. What we do know is that…

Fastly Fiddle allows for instant experimentation with Fastly's edge cloud behaviours without having to set up a Fastly account. Now, we're adding the ability to define assertions to specify…