Latest Screencasts

Once you have a firm grasp of the 3 header tags we talked about in the previous episode (max-age, etags, and last_modified) you can start to take advantage of reverse proxy caches. In this episode we let you know exactly what a proxy cache is, and how you might use it to effectively scale a dynamic website to millions of users.

Rails Metal is a way to bypass the standard Rails request process for a performance boost. In this episode you will learn how to shave off a few milliseconds using Metal.

In AJAX Essential Training, instructor Dori Smith shows experienced web developers how to utilize AJAX to best create dynamic pages. The course covers selecting the best tools for the job (HTML, CSS, JavaScript, XML), understanding all aspects of HTTP from requests to responses, and creating dynamic forms and maps from...

Rails 2.0 offers an extremely easy way to do HTTP basic authentication. See how in this episode.

by Geoffrey Grosenbach with content from Zed Shaw, author of Mongrel. Programmers love performance. We like to talk about it and form theories, but we don’t know how to measure it. And when we do, we don’t know what to do with the numbers we get. This screencast shows how...