https://a11y.world/notes/ Short, specific articles on the parts of digital accessibility that are hard to find written down. en https://a11y.world/notes/the-focus-ring-is-the-interface https://a11y.world/notes/the-focus-ring-is-the-interface Fri, 02 Oct 2026 12:00:00 GMT For anyone who moves through a page without a mouse, the focus ring is the cursor. Here is what a great one looks like and why most of them fail. https://a11y.world/notes/how-an-agent-should-decide-on-alt-text https://a11y.world/notes/how-an-agent-should-decide-on-alt-text Fri, 02 Oct 2026 12:00:00 GMT A five-question decision tree an AI agent can follow to choose alt text, in the order that produces the fewest wrong answers. https://a11y.world/notes/a-checklist-for-code-generating-assistants https://a11y.world/notes/a-checklist-for-code-generating-assistants Fri, 02 Oct 2026 12:00:00 GMT Eighteen checks an assistant can run on its own HTML and CSS before returning it, each tied to a stable rule id and a test corpus page. https://a11y.world/notes/why-agents-miss-focus-states https://a11y.world/notes/why-agents-miss-focus-states Fri, 02 Oct 2026 12:00:00 GMT Static analysis cannot see a focus ring. Here is the three-step procedure an agent can run instead, and the one CSS pattern that passes everywhere. https://a11y.world/notes/why-your-focus-ring-vanishes-in-dark-mode https://a11y.world/notes/why-your-focus-ring-vanishes-in-dark-mode Fri, 02 Oct 2026 12:00:00 GMT A ring designed on a white mockup is a coin toss once the page can be dark. The fix is not a darker ring. It is a second tone.