Is Longdesc deprecated?
Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes.
What is Longdesc used for?
The longdesc attribute is a URI , the target of which contains a long description of the non-text content. Authors can provide a description for an image by including text in a separate resource or within the text of the page containing the image.
Is Longdesc supported in HTML5?
However, the longdesc attribute doesn't support most browsers as it is removed from HTML5.