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Accessibility Statement

This site is part of Harvard University and works to support the Harvard University Digital Accessibility Policy, which adopts the W3C Web Content Accessibility Guidelines (WCAG) 2.1, Level AA as its standard.

Our commitment

We aim to make the content on this site usable by everyone, including people who use assistive technologies such as screen readers, screen magnification, alternative keyboards, voice input, or who navigate the site without a mouse. Toward that goal we work to ensure that the site:

  • Provides text alternatives for non-text content (images, icons).
  • Uses semantic HTML landmarks (<header>, <nav>, <main>, <footer>) and a “Skip to main content” link so keyboard users can bypass repeated navigation.
  • Maintains color and text contrast that meets WCAG 2.1 AA.
  • Provides visible keyboard focus indicators on links, buttons, and form controls, and supports keyboard navigation of menus and dialogs.
  • Labels every form control programmatically (not only via placeholder text).
  • Uses headings in a logical order to communicate document structure.
  • Uses descriptive link text and clearly identifies links that open in a new browser tab.

Known limitations

Some legacy publications archived on this site (older PDFs, scanned articles, and historical slides) may not yet be fully accessible. We work to remediate them as resources allow, and prioritize widely used content first.

If you encounter content that is not accessible, an accessible alternative can typically be made available on request.

Reporting an issue or requesting an alternative format

If you have difficulty accessing any material on this site, or if you would like content provided in an alternative accessible format, please contact us:

Standards & resources

Last reviewed: April 2026