These two Twitter shortened URLs

  1. https://t.co/A8taVSsehm
  2. https://t.co/eA7EpUqmgJ

both refer to the same target URL:


I wonder, why that is. Would it not be more reasonable for Twitter to have only one shortened URL per target URL?

  • 3
    Probably Twitter adds tweet's author info to short link to get some statistics, see webapps.stackexchange.com/a/49484
    – user159892
    Commented Jul 4, 2018 at 9:27
  • That sounds very plausible to me! Thanks.
    – Lutz Büch
    Commented Jul 4, 2018 at 11:51

1 Answer 1


Since Twitter measures each Tweet's activity including link clicks, a short link needs to be specific to a Tweet. Therefore the same URL can have different short links.

Here is an explanation from Twitter:

Why does Twitter have its own link shortener?

  1. Our link service measures information such as how many times a link has been clicked, which is an important quality signal in determining how relevant and interesting each Tweet is when compared to similar Tweets.

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