Website Marketing begins with the design of the Website. Marketing is ineffective to the extent that it is an afterthought. Initial site design must be driven by a clear understanding of
Audience: Demographics, Webographics and Geographics
Web Traffic Objectives
Investment Returns (Financial or Otherwise)
Usability
Content Development for the Audience
Maintenance and Improvement
The Role of Customer Feedback in the Operation
In other words, whether a site is commercial or non-commercial, it is a communications vehicle designed for the use of customers. It falls into the province of Marketing.
Here are several articles about keeping your eye on the customer during design.