Design Principles

Does the system always keep users informed about what is going on, through appropriate feedback within reasonable time?

Inspired by Jacob Nielsen's 'Visibility of system status' heuristic -UseIt



Does the system speak the users' language, with words, phrases and concepts familiar to the user, rather than system-oriented terms?

Inspired by Jacob Nielsen's 'Match between system and the real world' heuristic -UseIt



Are the 'emergency exits' clearly marked so that users can leave unwanted states without having to go through an extended dialogue?

Inspired by Jacob Nielsen's 'User control and freedom' heuristic -UseIt



Is it clear whether different words, situations, or actions mean the same thing?

Inspired by Jacob Nielsen's 'Consistency and standards' heuristic -UseIt



Does the design prevent problems from occurring in the first place?

Inspired by Jacob Nielsen's 'Error prevention' heuristic -UseIt



Are objects, actions, and options visible?

Inspired by Jacob Nielsen's 'Recognition rather than recall' heuristic -UseIt



Are accelerators available for expert users such that the system can cater to both inexperienced and experienced users?

Inspired by Jacob Nielsen's 'Flexibility and efficiency of use' heuristic -UseIt



Do dialogues contain only information which is relevant or frequently needed?

Inspired by Jacob Nielsen's 'Aesthetic and minimalist design' heuristic -UseIt



Are error messages expressed in plain language? Do they precisely indicate the problem, and constructively suggest a solution?

Inspired by Jacob Nielsen's 'Help users recognize, diagnose, and recover from errors' heuristic -UseIt



Is help information easy to search, focused on the user's task, and does it list concrete steps to be carried out?

Inspired by Jacob Nielsen's 'Help and documentation' heuristic -UseIt



Is the page load time reasonable?

Featured in the usereffect 25-point Website Usability Checklist



Is the text-to-background contrast adequate?

Featured in the usereffect 25-point Website Usability Checklist



Does the font size/spacing make text easy to read?

Featured in the usereffect 25-point Website Usability Checklist



Is Flash and other add-ons used sparingly?

Featured in the usereffect 25-point Website Usability Checklist



Does the site have a custom 404 page?

Featured in the usereffect 25-point Website Usability Checklist



Is the homepage digestible in 5 seconds?

Featured in the usereffect 25-point Website Usability Checklist



Is there a clear path to contact information?

Featured in the usereffect 25-point Website Usability Checklist



Is the main navigation easily identifiable?

Featured in the usereffect 25-point Website Usability Checklist



Are navigation labels clear and concise?

Featured in the usereffect 25-point Website Usability Checklist



Is the search tool easy to access?

Featured in the usereffect 25-point Website Usability Checklist



Are major headings clear and descriptive?

Featured in the usereffect 25-point Website Usability Checklist



Is critical content above the fold?

Featured in the usereffect 25-point Website Usability Checklist



Are URLs meaningful and user-friendly?

Featured in the usereffect 25-point Website Usability Checklist



Are icons self-explanatory?

Submitted by an anonymous user.