This site is built to be usable by as many people as possible, including people who browse with a keyboard, a screen reader, magnification, or reduced motion.
The standard being aimed at
The target is the Web Content Accessibility Guidelines, version 2.1, at level AA.
What has been done
- Every page has one main heading, and headings run in order, so a screen reader can be used to navigate rather than to read everything.
- Every meaningful image has a description. Images that are purely decorative are marked so they are skipped rather than announced.
- The whole site can be operated from a keyboard, and the element in focus is always visible. There is a skip link to the main content.
- Text and background colors were checked for contrast rather than eyeballed.
- Buttons and links are large enough to hit accurately on a phone.
- Text reflows on small screens without a horizontal scrollbar, and it can be enlarged without pieces of the page overlapping.
- Research filters are ordinary links with their own web addresses, not scripted toggles, so they work without JavaScript and can be bookmarked and shared.
Known limitations
Being honest about the gaps is more useful than claiming there are none.
- Videos hosted on YouTube play in Google’s own player, whose controls and captions are outside this site’s control.
- Published papers linked from the research library are hosted by their publishers. Their accessibility is theirs, not this site’s.
- This site has not yet been formally audited by a third party or tested end to end with every assistive technology in use.
If something does not work
Please say so. A specific report is genuinely useful: the page you were on, what you were trying to do, and what browser or assistive technology you were using.
Write to info@ibum.org. Reports are read, and problems that block someone from using the site are treated as urgent.
If you need something on this site in another format, ask and it will be provided.
Last updated 10 September 2026.