Use Style Sheets where possible. Hypertext links Use text that makes sense when read out of context. Page organization Use headings, lists, and consistent structure. Use CSS for layout and style where possible.
Tables Make line by line reading sensible.
Avoid using tables for column layout. Validate HTML and accessibility. Currently, no authoring tool fully supports accessibility. For PDF, include link to Acrobat access. Start learning CSS browsers are supporting style sheets at various levels.