Much has been said about search engine optimization (SEO). Many web publishers actually pronounce it as the key to the Promised Land of online prominence. After all, 80% of the traffic you can generate for your website will come from the search engines. 80% is a pretty huge number, one which should not be neglected. Capture that much a percentage and you can rest assured that your online endeavor - whatever it may be - will most certainly have a good chance to achieve success in the World Wide Web.

And the way to win the search engines' favor is through SEO practices. SEO tactics are as varied as they are many. Most of us know about keywords, keyword density levels, and keyword placements. A good number of us know about the need to regularly update our content, the importance of back links, and the essence of link popularity.

But times change and so do the requirements of search engines. And the newest kid on the block? Sitemaps..