Resources
Curated tools, references and reading — each with one line on why it earns a place here.
references
Nielsen Norman Group articles
The primary source for most of this site. Start with Usability 101 and the research method map.
research · e-commerceBaymard Institute
Large-scale e-commerce UX research; the most rigorous public data on forms, checkout and product pages.
psychologyLaws of UX
Yablonski's collection of psychology principles applied to interfaces, each with primary sources.
guidelines · iosApple Human Interface Guidelines
Read the Foundations and Patterns sections even if you never design for iOS — the reasoning is the value.
guidelines · androidMaterial Design 3
Android's design system; the component pages double as an education in states and accessibility.
accessibilityWCAG 2.2
The quick reference view is the usable entry point into the standard.
patterns · uiChecklist Design
Per-component and per-page checklists — good for self-review before handoff.
metrics · researchMeasuringU
Jeff Sauro's blog on quantifying UX: SUS, sample sizes, statistics for practitioners.
tools
WebAIM
Practical a11y explainers plus the contrast checker you will use weekly.
research · iaOptimal Workshop
Card sorting and tree testing; the free tier covers small personal studies.