Screen Readers and CSS Layout
In order to find out how screen readers deal with CSS layouts, Bob Easton made a couple of test cases available at Access Matters. The results are presented in Screen Readers and CSS Layout.
The test cases were tested with the three leading screen readers: Jaws, Window Eyes, and IBM Home Page Reader. I have tested the pages with Apple VoiceOver with similar results.
The outcome of the test is that screen readers speak content in the order it is in the markup. No big surprise, but good to have it confirmed since that’s what most of us have been assuming all along.