Standards for better <iframe> accessibility in JAWS?

Is there any standard practice to be followed for better accessibility in case of iframe?

What all the things we need to take care for iframe accessibility?

What all the points should consider for iframe from narrator perspective?

Solution

A short list:

Your iframe must have a title
The inner document must be accessible
Do not disable scrolling in the iframe
Check that using your browser zoom will correctly resize the iframe so that it's still readable