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Screen reader access

This site follows the Web Content Accessibility Guidelines 2.1 at level AA so that people using screen readers can use it fully.

Using this site with a screen reader

  • Each page begins with a skip link to the main content.
  • Pages are organised with landmarks (banner, navigation, main, contentinfo) and a heading hierarchy, so you can move between regions and headings.
  • Navigation menus are buttons that announce whether they are expanded; press Enter or Space to open and Escape to close.
  • Tables have header rows; archives are ordinary tables with no merged cells.
  • Links to PDF documents say so in the link text.
  • Images carry text alternatives; decorative images are skipped.

Screen readers

Screen readerWebsiteFree or commercial
NVDA (NonVisual Desktop Access)nvaccess.orgFree
JAWSfreedomscientific.comCommercial
Narrator (Windows)support.microsoft.comFree, built in
VoiceOver (macOS and iOS)apple.com/accessibilityFree, built in
TalkBack (Android)support.google.comFree, built in
Orca (Linux)help.gnome.orgFree