When a research output is mentioned in an attention source tracked by Altmetric using a link shortening service, we expand the link in order to reveal the original URL.
We support hundreds of link shortening services, including but not limited to:
bit.ly
t.co
goo.gl
ow.ly
tiny.cc
is.gd
For the full list of supported link shorteners see this page and check out our open source Ruby Library, Embiggen, if you want to find out how it all works under the hood!
Warning About Link Shorteners
While we do support link shorteners for most of our sources, with X (Twitter) posts we recommend avoiding the use of link shorteners for now, as we're experiencing several issues with the data when using them.