His benchmark indicates that SPDY doesn't magically make bad websites fast, which is to be expected. SPDY only makes sites that are sufficiently optimized that

His benchmark indicates that SPDY doesn't magically make bad websites fast, which is to be expected. SPDY only makes sites that are sufficiently optimized that SSL's added latency becomes a limiting factor on performance. It also lets you not make some painful optimizations because you can multiplex more.