Accessibility statement

You can navigate this website using the keyboard only. A number of Access Keys have been defined to aid keyboard navigation, and these can be activated by pressing Alt (PC) or Ctrl (Mac) and the relevant key.

Internet Explorer users may need to press the Enter key after pressing Alt and the relevant Access Key.

Standards compliance

All pages on this site validate to XHTML 1.0 Transitional, validated using the HTML validation service provided by the W3C.

All pages on this site are presented using valid style sheets, validated using the W3C CSS validation service.

All pages on this site use structured semantic markup. H1 elements are used for the main titles, and H2 elements are used for subtitles.

Links

Links have title attributes which describe the link in greater detail. Links are also written to make sense out of context.

Images

All content images used in this site include descriptive ALT attributes. Decorative graphics include null ALT attributes.

Visual design

This site uses Cascading Style Sheets for visual layout.

This site uses only relative font sizes, compatible with the user-specified “text size” option in visual browsers.

If your browser or browsing device does not support stylesheets at all, the content of each page is still readable.

Accessibility references

W3 accessibility guidelines
W3 accessibility techniques
W3 accessibility checklist