“Minimize the user's memory load by making objects, actions, and options visible. The user should not have to remember information from one part of the dialogue to another. Instructions for use of the system should be visible or easily retrievable whenever appropriate.” ShouldUseActionRememberMemoriesInformationObjectsDialogueVisibleAppropriateInstructionUsersLoad Author:Jakob Nielsen
“Popularity is the product of two factors: (a) how compelling material you offer, and (b) how easy it is to access it. Host free pirated movies and users will flock to the site, even if it's difficult to use.” IfsTwoUseEasyDifficultMaterialsProductsOffersAccessFactorsHostUsersCompellingPopularitySiteFlocks Author:Jakob Nielsen
“To design an easy-to-use interface, pay attention to what users do, not what they say. Self-reported claims are unreliable, as are user speculations about future behavior.” SelfUseEasyPayAttentionDesignBehaviorClaimsPay AttentionUsersSpeculationUnreliableInterfaces Author:Jakob Nielsen
“On the Web, usability is a necessary condition for survival. If a website is difficult to use, people leave. If the homepage fails to clearly state what a company offers and what users can do on the site, people leave. If users get lost on a website, they leave. If a website's information is hard to read or doesn't answer users' key questions, they leave. Note a pattern here?” PeopleIfsHardStatesUseLostDifficultCan DoAnswersCompanyFailingConditionsInformationKeysOffersSurvivalNotesPatternsUsersSiteWebsiteUsability Author:Jakob Nielsen
“Inadequate use of usability engineering methods in software development projects have been estimated to cost the US economy about $30 billion per year in lost productivity.” YearsHas BeensUseLostEconomyDevelopmentCostProjectsMethodProductivityBillionsSoftwareEngineeringInadequateSoftware DevelopmentUsability Author:Jakob Nielsen
“On the Internet, it's survival of the easiest.... Give users a good experience and they're apt to turn into frequent and loyal customers. But ... it's easy to turn to another supplier in the face of even a minor hiccup. Only if a site is extremely easy to use will anybody bother staying around.” IfsGivingUseFacesTurnsEasyInternetSurvivalCustomersBotherStayingUsersLoyalMinorsSiteSuppliersLoyal CustomersGood ExperiencesHiccups Author:Jakob Nielsen
