Highlighting main page instead of specific page

[AA]

An issue that occurs on some sites, including YouTube, is that sometimes annotations will post to and you will view annotations for the entire website instead of the specific page (as a result you will be posting at the bottom of hundreds). Almost as if the page is just a feature loaded to the same page. Is anyone aware of this issue, and have they found a way around it.

The only other place I've encountered this is one some news aggregator sites (I believe MSN news was it).

[mdiro...@hypothes.is]

We've seen the same thing happen on Reddit, and if I recall correctly it's due to the video that's loaded from the homepage still using a rel="canonical" statement saying the home page is the canonical URL for that video.

Right-clicking and selecting "Open in a new tab" over the video you want tends to set the rel="canonical" statement to the videos URL in the new tab, which then anchors the annotation to the actual video url and not the home page URL.

See: https://web.hypothes.is/help/how-to-establish-or-avoid-document-equivalence-in-the-hypothesis-system/ (though note this is advice for web site publishers, not for individual users).