The phrase does not refer to a standard technology or a recognized service. It most likely describes a custom Bitly link ( bit.ly/carianid3 ) or a search attempt by someone using Indonesian/Malay language (“carian” = search) looking for a file or reference related to “ID3.” There is no built-in “search for ID3 tags” function on Bitly. If you encounter such a link, proceed with caution, and always verify its destination before clicking.
It is much easier for a user to type "carianid3" into a browser than a complex URL. bit.ly carianid3
However, based on the keyword (which appears to reference Carian and the ID3 algorithm used in machine learning), I can provide a helpful write-up explaining the connection between the two. This is likely the subject matter of the article you linked. The phrase does not refer to a standard