UX principles
The UX principles behind the audit
Short explanations of the published usability principles theuxbites refers to: what each one says, what it tends to mean on a web page, and where to read the source.
13 of 13 principles. “Checked in every audit” means the audit runs a fixed check for it on the rendered page; the others cannot be judged from a page's HTML and are here for reference.
- Hick's LawThe time to make a decision increases with the number and complexity of choices.Checked in every audit
- Miller's LawThe average person can hold 7 (±2) items in working memory at one time.Checked in every audit
- Fitts' LawThe time to acquire a target is a function of the distance to and size of the target.Checked in every audit
- Jakob's LawUsers spend most of their time on other sites and expect yours to work the same way.Checked in every audit
- Von Restorff EffectThe item that differs from the rest is most likely to be remembered.Checked in every audit
- Tesler's Law (Conservation of Complexity)Every application has an inherent amount of complexity that cannot be removed — only shifted.Checked in every audit
- Doherty ThresholdProductivity soars when a computer and its users interact at a pace (<400ms) that ensures neither has to wait on the other.For reference
- Serial Position EffectUsers best remember the first and last items in a series.Checked in every audit
- Goal-Gradient EffectPeople accelerate their effort as they approach a goal.Checked in every audit
- Zeigarnik EffectPeople remember uncompleted tasks better than completed ones.For reference
- Law of ProximityObjects near each other are perceived as a group.For reference
- Aesthetic-Usability EffectUsers perceive aesthetically pleasing designs as more usable.Checked in every audit
- Peak-End RulePeople judge an experience mostly by how they felt at its most intense point and at its end.For reference