Altmetric data for PDF articles

Hi there,

Just wondered if you could tell me, does Altmetric work for PDF articles as well as HTML? Example:

This article page has no content but a PDF link, and it does have a DOI. Should Altmetric works for this article?

Many thanks

Hi Andrew, 

Thanks for your question! I'm afraid Altmetric doesn't reliably work for PDF articles. 

We recognise research outputs by scraping metatags (such as the unique identifier, authors, issn and journal title) from the source code of the page. We can't access this metadata in PDF files, so we can't recognise them as research outputs.

However, Altmetric would work for this article: as it is hosted on a normal web page, and the DOI is visible as a metatag. 

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