what are the 5 key principles of good website usability?
["Availability and Accessibility. Let's start with a basic, yet central aspect of usability: the availability and accessibility of your site. ... ", 'Clarity. You could say the core of usability is clarity. ... ', 'Learnability. Learnability is another important aspect of usability. ... ', 'Credibility. ... ', 'Relevancy.']