People are not frogs, making it difficult to navigate 3D computer spaces: stick to 2D for most navigation designs. Shun virtual reality gimmicks that distract from users' goals.| Nielsen Norman Group
Although gift features leverage the online medium and draw new users to a site, they also introduce many usability pitfalls. Among them are poorly designed email notifications, which many users simply ignore.| Nielsen Norman Group
Several usability findings lead directly to higher sales and increased customer loyalty. These design tactics should be your first priority when updating your website.| Nielsen Norman Group
Filters and faceted navigation both reduce large masses of content to a more narrowly focused display, but facets add more power while requiring more work.| Nielsen Norman Group