“Web development is the act of creating applications designed to be used via the Internet.” – Wiki
Your website is the starting point of any online marketing campaign. You need a good URL, design and usability. It is important to identify your customers and decide how to best engage them.
One very improtant aspect of the development process is usablility. A user-friendly website should be easy to navigate and optimally designed. It should be quick and easy for your visitors to find the information that they want. If you are running an online shop, for example, everything should be clearly and accurately categorized. These categories should also be accessible from the front page. An internal site search engine is also a must in many cases.