Partition long data items Usability Guideline


Use option groups when a drop down list has more than 10 items.


Group related options using optgroup elements.

Applicable standards

Note: The website has been down since July 2020, although is still operating and the PDF version of the guidelines is still available.

Change history

  • 5.4 Feb 2014 Fixed false positive on language lists.
  • 5.1 Jan 2013 Fixed false positive on state lists.
  • 4.4 Aug 2011 Fixed false positive on timezone lists.
  • 4.1 Aug 2010 Fixed false positive on country lists.
  • 4.0 Jun 2010 Fixed false positive on date pickers.
  • 1.0 Feb 2007 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: UseGov13.12