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Google just announced their AJAX Library API, where Google will host many major JavaScript frameworks for you, such as jQuery, Prototype, Mootools, Dojo, etc.

This will allow you to write web pages that refer to those scripts rather than copies on your own site, reducing your bandwidth, but also leveraging the infrastructure capabilities of Google, such as their content distributed network (which means users would be served those files from a location much closer to them), properly compressed, minified, cacheable files, etc.

Read the full post titled, “Google to host a number of JavaScript libraries”

Ensuring the Expires header is set to the future for resources such as JavaScript, CSS and images helps increase the chance the browser will really cache those files, as research from Yahoo and Google have shown. This short post looks at how you can implement this in Apache and ASP.NET in a maintainable way.

Read the full post titled, “Web site performance: Expires Header”

Client side web site performance can be as important as server side performance (maybe even more, from the user’s perceived download perspective). A number of tips and links for further information are provided in this post

Read the full post titled, “Client side web site performance”