Google are by far the largest an most influential search engine in todays market. If you want to your website to maximize its revenue potential then you need optimise your website for Google.
The good news is that Google offer a lot of free tools are other resources to help your website succeed online.
Google Adwords is a great way to drive targeted traffic and leads to your site. When Google Adwords is setup properly it is a very effective tool for any business with an online presence.
With Google Analytics you can track your site users and gain vital information on how to improve your website from a users perspective and also to help rank from an SEO perspective in Google.
Google Site maps is another free tool that allows you to submit your content to Google. Google sitemaps also can give you very usful information about the keywords that drive traffic to your site.
Depending on your site you may want to look at Google Adsense. Google Adsense can generate an alternative revenue stream to you main service offering. Basically by displaying ads powered by google you can earn revenue when ever a user clicks on an ad.