Keep in mind that using tables can make it difficult for people to view your site if they are not using a browser that fully supports tables. People in this category include individuals that must older or text-based browsers or who use screen reader software. Screen readers are used primarily by individuals who are sight impaired. Screen readers can usually only read text that is printed, not painted, to the screen. One way to do this is to create an alternate text-only version of your web pages.
Tables are also effective formatting tools, and can be used with graphics, hyperlinks, and text.
This pair of tags is optional. The data in between form cells of the table.