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Engineering

December 14

The pressure on engineering teams right now is substantial as leaders are tasked with driving their companies’ success, even during the chaos of 2020. In the face of uncertainty, there are…

November 4

Many people think that the 103 Early Hints HTTP status code can help web performance in certain situations, but we won’t know until we get data about it, and without that data, browsers won…

July 13

With the introduction of Compute@Edge, Fastly provides a richer model for the CPU. WebAssembly, powered and secured by the Lucet compiler and runtime, unlocks essentially arbitrary code…

July 6

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…

June 26

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/…

June 10

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…

March 27

Server Timing is a great mechanism for collecting new performance metrics in the browser. Fastly and Firefox have teamed up to make them even more powerful by adding support for using Server…

February 7

Recently we launched Fastly Terrarium, a multi-language, browser-based editor and deployment platform where you can experiment with edge technology. Now, for those well-versed in C and Rust…

December 12

Take a developer deep dive into Terrarium, our multi-language, browser-based editor and deployment platform at the edge. Learn how to compile Rust programs to WebAssembly right on your local…

December 10

Get hands-on with Terrarium, a Fastly project that lets developers harness the power of edge computing in the languages they already use. See how this technology demonstration came to be…

August 14

A remotely exploitable denial-of-service (DoS) attack against the Linux kernel, called SegmentSmack, was made public on August 6th, 2018 as CVE-2018-5390. Fastly was made aware of this…

March 8

To help our customers secure their sites and applications — while continuing to give their users reliable online experiences — we’ve built a performant, highly configurable, and…