Brant from x-pose.org reveals the results from testing Google’s PageSpeed Service (not to be confused with mod_pagespeed also provided by Google, or their PageSpeed testing tool).
TL;DR: a minor increase in response times was offset but seconds saved in page load times.
Rather than pure distribution of web content, Yottaa is building in other site-speed technologies and methods to add a significant speed boost to sites that use it’s service.
A significant offering, targeted to smaller, simpler website owners that don’t have the development or technical ability to invest in Website Performance Optimization (WPO). The actual Page Speed Service home has more details.