If you are like many of us SEO geeks you are always looking at the various ranking signals that could affect a websites visibility for the positive or the negative. As you probably already know site speed is one of those ranking signals that Google likes to look at when it comes to determining the health of a website. That doesn’t mean you have to get all nuts and stress about how fast your website loads, just make sure it is reasonable.
In this video, Matt Cutts discusses how they look at site speed, how it correlates with rankings and how mobile plays a role in the big picture.