This is a great article to review and to decide whether your website is effective at capturing visitors from the landing page.
I think that the most important point in this article is #3 - You're asking for too many things. Some websites are overly complex and basically look as if they've pasted the entire sitemap over the homepage. Websites like mailchimp.com does a great job at keeping things simple and being smart & adaptive at offering you links to click only when they are relevant.
If you follow a few of these rules you will be sure to lessen your bounce rate.