The speed that your page loads will help you with a lot of things including your bounce rate (more people will click straight off your blog without reading anything if it takes too long to load) and it will help your interaction and page views. People are more likely to look through multiple pages on your site if they appear quickly.
You can do a quick page speed test right here http://tools.pingdom.com/fpt/ it will give you a quick overview of how quick your page loads for an outsider.
If your page seems to load a little slow here are some things to check
There are a lot more technical things you can do to improve your page speed but unless you’re a designer/ coder they might be a little outside of reach (at work a lot of the time I have to pass these things on to the rest of my team).
Improving any of these things can really help your blogs page speed, and the difference of a fraction of a second can make a difference in Google’s eyes.