elementtiming attribute is used to indicate that an element is flagged for tracking by the
Element Timing API. This attribute may be applied to
<image> elements inside an
<svg>, poster images of
<video> elements, elements which have a
background-image, and elements containing text nodes, such as a
The value given for
elementtiming becomes an identifer for the observed element.
<img alt="alt" src="img.jpg" elementtiming="label for element">
Good contenders for elements you might want to observe are:
- The main image for an article.
- A blog post title
- Images in a carousel for a shopping site.
- The poster image for the main video on a page.
<img alt="Alt for a main blog post image" src="my-massive-image.jpg" elementtiming="Main image"> <p elementtiming="important-text">Some very important information.</p">
The definition of 'for as used with label' in that specification.