Accessibility statement
We build to WCAG 2.1 AA, measure in a browser rather than by eye, and treat a screen reader user's experience as the test that counts.
Standard
Every page on ILDATA.org is intended to meet the Web Content Accessibility Guidelines (WCAG) 2.1 at level AA, and we aim for AAA contrast where the design allows. The site is a project of Access100, whose board reads with screen readers; the people this site is about are its readers.
How it is built and tested
- Semantic HTML with one
h1per page, headings in order, and every piece of content inside a landmark. Bold text is never a heading and typed dashes are never a list. - Every form field has a visible label that is a name only. Explanations are hints linked with
aria-describedby. Errors are listed in a summary that receives focus and are linked to their fields. - Everything works with a keyboard. The focus ring is a two-colour ring that stays visible on light, dark and navy backgrounds. Menus are button disclosures and never open on hover alone.
- Text is Atkinson Hyperlegible, served from this site. Layout follows the reader's text size, works at 200 percent zoom, and does not scroll sideways at 320 pixels; wide tables scroll inside their own labelled region.
- The site follows the reader's choice of light or dark colours and of reduced motion.
- Before every deployment an automated check reads the built pages for structure, runs axe-core, and lists what each control will announce. A build that fails the check is not deployed.
- Built pages are then opened in a browser to measure contrast against the rendered background, walk the real tab order, and check reflow.
Known limitations
- The survey instruments have been checked structurally and in a browser but, as of 25 October 2026, have not yet been worked through by a daily screen reader user with a task list. Each instrument's page states its testing status, and no hosted survey opens for fielding until that pass is done.
- Data pages contain large tables. Each has a caption and header cells, and a summary sentence above it, but a table with fifty rows is slow to hear. Download links on each page give the same data as CSV.
- Inline charts, where present, are decorative twins of a table beside them and are hidden from assistive technology on purpose.
- Administrative pages for hosted surveys are tested to the same standard but by fewer people, because fewer people use them.
Report a problem
If something is hard to use or read, please tell us what you were trying to do, which screen reader or browser you used, and what you heard or saw. Email hello@ildata.org or use the contact form. We aim to reply within three business days and to fix problems on this site within two weeks.