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Cache-Control in the wild
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. This post digs…
Leveling up observability with Compute@Edge
Observability is hard. Distributed systems, dev and testing environments, and outside vendors all complicate the problem. With Compute@Edge, Fastly wants to make observability easier. Here’s…
TLS 1.3 is faster, more robust, and now available
TLS 1.3 is now available for Fastly customers. The newest version of the TLS protocol, TLS 1.3 is designed to improve the performance and security of traffic served over HTTPS.
Performance matters: why Compute@Edge does not yet support JavaScript
Building our own compiler toolchain allows Compute@Edge to be both performant and secure. It also means we have to bring developers’ most-loved language into the fold in the right way.
Improving HTTP with structured header fields
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/…
Network error logging: collecting failure conditions from end users
Network error logging reports client-side failures and successes, enabling developers to understand how their sites function in the real world and how they might improve performance. In this…
Reflecting on our inclusion and diversity journey
There’s been an outpouring of corporate statements supporting Black Lives Matter over the past few weeks— but statements of solidarity don’t matter unless they are backed by action designed…
100 Tbps of capacity: how scale allows us to meet today’s digital demands
The growth of our global network allows us to stand at the ready with our customers, supporting and protecting their innovations at the edge.
A standard cryptography API for WebAssembly
In this post we will describe the motivations for a standard WebAssembly cryptography API, the challenges of designing such an API for this programming language, and the work Fastly has…
Prevent application and network instability by serving stale content
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…
Life at Fastly: a business continuity plan led by people, process, and technology
Our unique approach to business continuity planning focuses not just on ensuring that our systems remain operations, but also that our processes and people have the backup and support they…
Google’s Core Web Vitals: ensuring your site is ready for Google’s next major update
Google recently announced three new metrics they’re calling Core Web Vitals that can impact your search rankings. We’ll walk you through what each one means and how one of them can be…
