Google’s core business is advertisement. That means the more ad’s per time-unit the more money Google makes, this explains why they invested in their own browser, which has a very fast JavaScript engine.
Also the Page speed project falls in line with this.
It also aligns with us visitors of said websites as we more and more want relevant information fast, now is the relevant part something I work on during my day time job, the fast one I can experiment with as I also run a server which hosts this blog for instance.
So what is Page speed?
It consists of a Firefox/Firebug plugin that allows web developer’s to analyze requests and optimize their websites and a Apache module that optimizes resources
more information here


