- Positioning allows complete control of where each block appears on the display
- The order of display can be different from the order in the textual document
- Allows the main content to appear in the document before menus etc
- Useful for accessibility and searching
- Important for placement in search engine rankings
-
Stops the need to do layout using tables
- Which is a major accessibility problem
- Floating and positioning can perform almost all the effects that are currently implemented by tables
and have more consistent interpretation across browsers (especially the newer ones)