Accessibility

Our target is to meet the Web Content Accessibility Guidelines (WCAG) 2.1, level AA on every page. This is a goal, not a rating: the site has not been audited by an outside party, and we do not claim it meets the guidelines everywhere.

What the pages do today

• Keyboard focus: a visible focus outline is set for focused controls and links.
• Contrast: the design colors for text, borders and fills are tested against minimum contrast ratios, in both the day and night themes.
• Zoom: the pages do not block zooming or changing text size.
• Reduced motion: animations are turned off when your device asks for less motion.
• Structure: headings do not skip a level, and every page section has a name.
• Links that open a new tab say so in text for screen readers.

How we check

These checks are run by our own build and test tools: the page checks look for skipped heading levels, unnamed sections, links that open a new tab without saying so, and pages that block zoom, and the color tests cover the design colors. Automated checks do not catch everything.

Tell us about a problem

If something on this site is hard to use, email [email protected] or use the Contact page. Tell us the page, your device and what went wrong, and we will work on it.