What does this mean?

A title attribute must be specified for all iframes.

For example:

<iframe title="Pricing table">


97.6% done

How close this website is to fixing this issue.

HTML Found on page Issues
<iframe src="https://www.youtube.com/embed/U_6NSF0i8qM" width="100%" height="500" frameborder="0" allowfullscreen="allowfullscreen" id="iFrameResizer0" scrolling="no" style="overflow: hidden;"></iframe> 1
<iframe src="https://www.youtube.com/embed/0PrfoS_RCDA" width="100%" height="500" frameborder="0" allowfullscreen="allowfullscreen" id="iFrameResizer0" scrolling="no" style="overflow: hidden;"></iframe> 1
<iframe src="https://www.youtube.com/embed/FTRr1xKX7eU" width="100%" height="500" frameborder="0" allowfullscreen="allowfullscreen" id="iFrameResizer0" scrolling="no" style="overflow: hidden;"></iframe> 1
3 distinct issues were found in the sample of 125 web pages.
More results from NHS Kernow CCG