Chris O’Brienhas posted a very interesting article in his blog on optimizing a Sharepoint Site. One of the downs in Sharepoint sometimes has been performance.
For the developer sometimes is frustrating after building performant code to have a slow Sharepoint site, this can happen due to the amount of JS and CSS that are used out of the box by Sharepoint.
Is it possible to overcome this? Yes ti is . . . so a good start is Chris post.
You can find this post here.