Alertbox: Jakob Nielsen's Newsletter on Web Usability. 10 Usability Heuristics for User Interface Design April 24, 1994 | Article: 2 minutes to readJakob Nielsen's 10 general principles for interaction design.
They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines. When to Use Which User-Experience Research Methods October 12, 2014 | Article: 8 minutes to readModern day UX research methods answer a wide range of questions. To know when to use which method, each of 20 methods is mapped across 3 dimensions and over time within a typical product-development process. Web Application & Rich Internet Application Design.