Glossary

Searchable terminology from accessibility, web standards, and related fields.

6 results found in testing and evaluation.

Heuristic Evaluation (Expert Review, Heuristic Review)
A usability inspection method in which a small group of expert reviewers evaluate a user interface against a set of established design principles or heuristics. Originally developed by Jakob Nielsen, …
Interaction Logging (Event Logging, User Interaction Logging, UI Event Logging)
The automated capture and recording of user interface events — such as clicks, keystrokes, focus changes, touch gestures, and scrolling — during a person's interaction with a digital system. In access…
SUMI (Software Usability Measurement Inventory)
A standardised questionnaire-based method for measuring software usability from the end user perspective. SUMI assesses five dimensions: efficiency, affect (user satisfaction), helpfulness, control, a…
User Testing (User Evaluation, End-User Testing)
A research method in which representative users perform tasks with a product or system while evaluators observe, record, and analyze their behavior. In accessibility contexts, user testing with people…
WCAG-EM (Website Accessibility Conformance Evaluation Methodology)
A structured methodology published by the W3C for evaluating how well a website conforms to the Web Content Accessibility Guidelines (WCAG). WCAG-EM defines a five-step process: defining the evaluatio…
WebAIM Million (WebAIM Million Report, The WebAIM Million)
An annual accessibility evaluation study conducted by WebAIM (Web Accessibility In Mind) that automatically tests the home pages of the top one million websites against WCAG 2 success criteria. The st…