Following are some of the aspects of a web-site that must be looked into. With so many browsers and browser options, a website must be designed to look good on as many browsers as possible. Thus the website must use only those constructs that work with the majority of browsers. There are various versions of HTML supported, and the website ought to be built in a version of HTML that is compatible. - Java, JavaScript, ActiveX which are a part of any serious website. Storage and retrieval of data from a database in E-commerce applications must be accurate and efficient.
Users move to and from pages, click on links, images, etc.
Navigation must be quick and error free. How fast the website host responds influences whether a user moves on, continues, re-visits the site. This generally depends on Internet loading, server hardware capacity and throughput. Yet, if a website becomes very popular, loading and tuning are important issues. While availability alone would be important for passive, content-only sites, for a website that interacts with the user, how fast and how reliable that interaction is can be a big factor.