It doesn't really effect load. SPDY works by wrapping multiple HTTP transactions into one. So it helps with latency. Google could use it for their own mobile a

It doesn't really effect load. SPDY works by wrapping multiple HTTP transactions into one. So it helps with latency. Google could use it for their own mobile applications. Making services (such as gmail) better on Android devices. This then encourages users of their services to buy Android phones. If Google controls the mobile platform then it can influence how search is done. It's vertical integration.