Recently we started using Google Pagespeed here at webperformance.com, and one of the cool features you can do with it is split traffic, so half of your customers get no pagespeed, and the other half get pagespeed turned on. With this approach you can actually measure how pagespeed does across your entire site, as well as drill down and look at its effects on individual pages, or even divide performance by country or continent.
As you can see, the effects on our top four most popular pages were mixed. The most improved page was the list of product … Continue reading »