Another benefit of hosting static components on a cookie-free domain is that some proxies might refuse to cache the components that are requested with cookies.

Another benefit of hosting static components on a cookie-free domain is that some proxies might refuse to cache the components that are requested with cookies. On a related note, if you wonder if you should use example.org or www.example.org for your home page, consider the cookie impact. Omitting www leaves you no choice but to write cookies to .example.org, so for performance reasons it’s best to use the www subdomain and write the cookies to that subdomain.* via http://developer.yahoo.com/performance/rules.html http://developer.yahoo.com/performance/rules.html My own takes: http://eapen.in/to-www-or-not-to-www/ http://eapen.in/to-www-or-not-to-www/ http://eapen.in/to-www-or-not-to-www-update/ http://eapen.in/to-www-or-not-to-www-update/