Some screen readers cannot cope with image maps and will skip over them. This means the user does not have access to these links unless a redundant link is provided. The bottom of the page lists every link in the banner again to ensure users can access the entire site. Tables Avoid the use of tables for layout Tables are included in html to allow designers to convey tabular data, such as a chart or class schedule. Designers have begun using tables to place elements on the page.
Problems arise when screen readers and text browsers try to display the table.
Both technologies linearize the table cells and display them in order from left to right top to bottom. This can cause readability problems in certain instances. The example below shows one such instance. This is a very common navigation design, with a link to a page and a description of the page displayed below. Please see the Getting away with using tables for layout page for examples of how to ensure your document doesn't lose readability when displayed with out a table structure.