Summary: Users spend most of their time on other websites, so they expect your site to work like all the other sites they already know. When a design deviates from users’ expectations, usability suffers. Don’t be arrogant and assume that your new design idea is so brilliant that it can overrule decades of user habituation.| jakobnielsenphd.substack.com
Many people have published great new ways of explaining Nielsen's 10 usability heuristics which are the bedrock of UX, encapsulating the most critical design issues that make a user interface difficult or easy to use.| UX Tigers
Jakob Nielsen's 10 general principles for interaction design. They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines.| Nielsen Norman Group