The Cache-Control response header is one of HTTP’s more widely known header fields; it allows a site to control how caches handle their data in CDNs, browsers, and elsewhere

The HTTP community has been busy modernizing the web’s protocol over the last decade, with multiple revisions of the core specification, a number of extensions, HTTP/2, and now HTTP/…

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…

Our Developer Hub has everything developers need to build apps and websites at the edge. Solve problems faster with code samples developed by Fastly’s experts.

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…

Compare the pros and cons of each stage of cloud evolution — hybrid vs. public vs. multi-cloud — to decide which stage is right for your business.

Multi-CDN delivery helps deliver a higher quality of experience and is growing in popularity. Let’s explore why and what key factors you should keep in mind in evaluating if it’s the right…

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.

Learn how multi-cdn works and discover the benefits of a multi-cdn approach. See how you can implement a multi-CDN architecture using these 8 steps.

Rack and Roll is our new, scalable process for building and delivering POPs worldwide. From concept to go-live, discover how we build and ship our servers to expand our global network.

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…