When writing website content, like many aspects of online marketing, it is easy to get lost in a wash of statistics and numbers; desired word length, keyword ratio, and the Flesch Kincaid grade level are just some of these numbers. A lot of these numbers assist in creating effective copy, but they should not be treated as a rigid plan to write copy. Each site has different requirements, governed by the topic of the site, the knowledge level of site visitors, and the requirement of the Webmaster.