NLM Web Guidelines

NLM Web Guidelines


NLM is committed to serving the entire public, and that means striving to ensure that all pages of our site are accessible to the greatest possible number of people and Assistive Technology devices. If you encounter any accessibility issues while browsing AccessGUDID, please visit the NLM's Web Accessibility page. For more information on the NLM's web standards, please visit the NLM's Web Application/Site Development Guidelines.

Browser Support

As of July 2015, AccessGUDID supports the following browsers: Internet Explorer (9+), Safari (5+), Mozilla Firefox (latest), and Google Chrome (latest).


For an optimal experience, please use one of the above browsers and have JavaScript enabled.