New answers tagged url
It looks to be a referrer for Facebook's analytics. For example: fref=ts on the end of the URL means that the page was linked from a "Top Search". Basically the user was sent there from a search engine result. fref=nf means that the user arrived from their news feed. I'm thinking that fref=uri means that the user arrived from an external site.
This is a little late, but Pastelink.net should do what you're looking for.
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