Next question: what is excessive in the length of a keyword-rich URL? We have seen clients use keyword URLs that have 10 to 15 words strung together with hyphens; or blogs - we have seen them even longer there. A typical WordPress blog will use the title of the post as the post slug, unless you defined something different and you can just go on and on and on. Can you give any guidelines or recommendations in that regard?

Matt Cutts: Certainly. If you can make your title four- or five-words long - and it is pretty natural. If you have got a three, four or five words in your URL, that can be perfectly normal. As it gets a little longer, then it starts to look a little worse. Now, our algorithms typically will just weight those words less and just not give you as much credit.

So, keep on eye on this and use the Permalink edit (underneath where your title is when you edit) to keep this in line with what Google prefers.