The term "speed pages" refers to web pages that load as fast as they possibly can.
The basic idea behind speed pages is simple: Anything that can limit actual transfer time as well as speed up the users experienced waiting time (not necessarily the pages actual loading time) should be implemented.
These things are accomplished by simple yet extensive use of:
Write HTML so the browser can display content before all elements are loaded.
Keep style elements in external style sheets so they can be cached on the visitor's local machine.
The specific techniques will be explained on the following pages.