Serving JavaScript Fast

Cal Henderson writes at thinkvitamin.com: "With our so-called "Web 2.0' applications and their rich content and interaction, we expect our applications to increasingly make use of CSS and JavaScript. To make sure these applications are nice and snappy to use, we need to optimize the size and nature of content required to render the page, making sure we’re delivering the optimum experience. In practice, this means a combination of making our content as small and fast to download as possible, while avoiding unnecessarily refetching unmodified resources." A lot of good comments too.

Comments

Re: Serving JavaScript Fast

The versioning URL approach is very wrong when there are HTTP layer caches sitting in front of your web servers IMHO, it not only pollutes your cache, but also introduces floods of requests in a short period of time when most of the URLs get updated by an application upgrade.

I think it breaks the semantics of URL.

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