If you can improve the speed of your site, it’s not a bad thing to do. It may not be as strong a factor as something like relevance or an importance signal such as PageRank, but it could make a difference when there are two different pages that are very close in both of those areas, and one loads much faster than another.
Cred ca articolul asta spune cam tot ce vrei sa stii despre subiect.

PS: I-ai platit omului banii?