Interaction Design 

Controls and microinteractions

Interactive elements are easily recognized (strong visual affordance)

Number of micro-interactions to complete task is suitable

Interactive elements behave as expected

Required form fields are indicated

Form fields and interactive elements are placed/grouped logically with the content they support

Use of secondary windows, screens, and hovers

Secondary windows or hovers work as expected

Appropriate content relationship between windows

Response to user input

Load times - speedy system response (2 seconds or less)

Appropriate messaging and feedback