One of the best ways to ‘fine-tune’ a website is to spend some time drilling into the reporting tools to get a good understanding of where visitors are coming from, where they enter, where they leave, and so on.
This short video from www.youtube.com/officelive provides an introduction into using the Reports module that comes free with Office Live Small Business. To make the video window larger, right-click the video and click "Watch on YouTube"
The Reports also provide details of the specific words people are searching on to find your website. These key words can then be added to the website in the copy and as meta-tags, and could also be used as part of a paid search advertising campaign.