Raluca Budiu is Senior Director, Data Strategy, at Nielsen Norman Group, where she uses her data-analysis expertise to drive strategic decisions. She also serves as editor for the articles published on NNgroup.com. Raluca has coauthored many NN/g reports, as well as the book Mobile Usability. She holds a Ph.D. from Carnegie Mellon University.
Decorative images should not be used on mobile, as they lengthen the page and make it load more slowly. Use images only if they add informational value to your page.
Participants rated Bing Chat as less helpful and trustworthy than ChatGPT or Bard. These results can be attributed to Bing’s richer yet imperfect UI and to its poorer information aggregation.
In a study of ChatGPT, Bard, and Bing Chat, users found these tools helpful and trustworthy. They expected these AI chatbots to aggregate information in a concise and specific manner, while fully considering contextual cues.
Accordions provide an overview of the whole page and mitigate the problem of long mobile pages, allowing users to directly access the content of interest.
Any type of innovation requires users to learn the new pattern. It's worth departing from convention only if you are sure that the new pattern will perform better than what is already available.