How Screen reader behave with <hr> <b> <i> <big> <small> <br />
?
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59answers:
2Really depends on the screen reader. Typically they will ignore tags they're not expecting, read some tags and change the tone of text surrounded by others.
The best way to find out is to run it through the one you're intending to support. For example, JAWS (a widely used screenreader) has a 40 minute demo that you could use. Bear in mind that this will be different for other screenreaders.
The rule of thumb is to make sure your markup is as semantic as possible and also conforms to what users of screenreaders are expecting (trying to be clever or overly helpful can actually be counterproductive if it is different from every other site your visitors have been to).
I am a jaws user and tags such as
<b> <big>
etc are not read in any special way to distinguish them from the rest of the page by default. If you want to point out a specific region of a page follow the stackoverflow example and use headings. I can quickly go from question to question since they each have there own heading, and when viewing a question can quickly jump from the question to the answers. ANother good example of heading usage is the way that google reader gives each headline it's own heading.