Time is an important design variable to understand. Your user experience is effected by it no matter what user experience you are serving up and the rules are different for every context. For example, the "three click rule" (users must get to their destination within three clicks) applies to e-commerce primarily but not to mortgage education, financial services usability or reading the New York Times online.
While the presence of many trust elements, aids, and cues throughout an ecommerce site contributes to customers’ perception of its trustworthiness, as UX designers, we can build greater trust by including and appropriately placing these identified trust elements on a site’s home page, as this article describes.
We've learned that using a web site is a progressive process. Each user transitions from one stage to the next, as they work to accomplish their goal. The most pronounced transitions we've seen are on e-commerce sites. When we watch shoppers focusing on buying a product, we can clearly see each stage and when the transitions fail or succeed. By understanding the stages and how they work, we can learn a lot about building better sites.
Our latest ecommerce research revealed user-experience improvements to shopping sites such as large product images, robust reviews, and easy discounts. New designs suffer from hidden product information, poor site feedback, and crowded customer-service areas.
People do not make judgments and decisions in a vacuum. They make them against a backdrop of available options. And a choice set—what the options are and how they relate to each other—is an important aspect of the context in which they make decisions.
Ecommerce websites are typically set up as if they were just glorified catalogs: a list of products, some pictures, brief descriptions, and an order form. No human interaction at all.