Facebook’s engineering team took on the challenge of delivering fast performance to all users (including those potentially on slow 2G networks) by cramming low fidelity versions of cover photos into 200 bytes. But how.. when a JPEG header is larger than that on its own?

Includes Content Trust, a feature that lets you verify the publisher of images; Toolbox, a new installer; and updates to the core engine and registry.

Toolbox is a new installer for OS X and Windows that installs everything you need to get Docker up and running. It replaces the popular Boot2Docker.

Opbeat have revamped their free metrics service, adding response time distributions, a full activity breakdown, and the ability to see the actual code that is slowing down the request, where is it called from when it was committed. Read More

A look at how Go helps programmers write highly scalable network servers, without having to worry about thread management or blocking I/O.

A look at Remote Code Execution.

One of Cloudinary’s founders gave a 45 minute talk on the development of the service. Plentiful notes here too.

Web fonts are lazily loaded by default which has an impact on page performance. ‘Preload hints’ should one day let developers tell browsers to download fonts as soon as possible.