> But putting performance last contradicts the high priority of Usability in the list, because Usability strongly depends on performance. Well that's why usabi

> But putting performance last contradicts the high priority of Usability in the list, because Usability strongly depends on performance. Well that's why usability is its own item. Whatever is needed for usability is ranked as important by the list. If indeed your users find that their button clicks are just so very fast you need handrolled assembly to keep up, then writing that assembly is vitally important. Otherwise? Probably not so much. Performance for its own sake is last priority. Now obviously there's a coherent argument that in general performance isn't considered enough when evaluating usability. That's totally fair, and probably true.