Twelve explained decisions about image and media meaning, page structure, external requests, analytics, embeds, and preferences. Choose one answer, inspect the explanation, and revisit the relevant boundary.
Related lessons
Image Alternatives by Purpose; Chart and Diagram Text Equivalents; Captions, Transcripts, and Media Controls; Landmarks, Headings, and Skip Paths; Third-Party Request and Script Inventory; Optional Analytics Event Boundaries; Embedded Widget Storage and Fallback; Preference Change Propagation and Audit.