Data tables Provide information of row and column headers . Using row and column headers becomes crucial when a table is larger than two columns or two rows. Without the headers, assistive technology such as reader software can only recite the table contents with no reference to what that column or row pertains to. Multi-logic row or column headers Provide markup to associate data cells and header cells for data tables . Frames Must be titled with text that facilitates identification and navigation.
Frames present unique obstacles to users of reader software.
Page availability Must be usable when scripts , applets, or other programmatic objects are turned off or not supported, or provide equivalent information on an alternative page 12. Equivalent alternatives Must be synchronized with any multimedia presentation. Content tracking Provide assistive technology users the option to skip navigation links with an appropriate method . There are a number of methods of facilitating navitation for users of assistive technology. Links should be referenced with text which make sense if a user if link-jumping.