It's been known for a while now site speed and page loading times are now a big factor in Googles ever complex algorithm, and most of us are familiar with slow loading websites, and normally vote with our mice..
But at least this is something you can resolve yourself or via your web designer/developer.
A lot of site/page speed issues are simply down to cheap hosting. So if you are only getting a trickle of visitors and website conversions or performance aren't a priority, then