Stack Exchange sites are often discussed with names ending in .SE. This happens to be the top-level domain name for Sweden, a very popular TLD locally. It's really bad when saying SU.SE because that is one of the largest Swedish universities and the abbreviation of "Superuser" may not be apparent to everybody.

I have started to learn this now but I suspect new users may get confused. My suggestion is that we avoid saying Superuser.SE and similar to people at the SO site, especially to new users, but just use the correct name Superuser.com or Superuser.

It is hard to find examples from real comments, but here are some from Meta:

  • 5
    superuser.se: Made on a Mac, has only a couple of pictures, nothing else works. Figures.
    – yannis
    Jun 25, 2012 at 21:46
  • 6
    I always felt it was obvious that the .SE shorthand was for on-site use only. I would never tell a potential new user about Apple.SE and would, actually, refer to it as Ask Different in conversation.
    – Aarthi
    Jun 25, 2012 at 21:47
  • 1
    Who even does that? It doesn't even make sense for Super User since that site has its own domain.
    – a cat
    Jun 25, 2012 at 21:48
  • 2
    So basically you're saying "Stop using this slang!?"
    – user102937
    Jun 25, 2012 at 21:48
  • 1
    Who uses .se when the footer says .com?
    – random
    Jun 25, 2012 at 21:48
  • 1
    Robert, indeed, I am. And I'm also off to register the domain name "programmers.se" ;-) Jun 25, 2012 at 21:50
  • 1
    On a more serious note, I think I could train myself to type Programmers-SE. Would that satisfy your sensibilities?
    – user102937
    Jun 25, 2012 at 21:54
  • 7
    aww... that'll kill the fun when the goats proposal takes off on Area51 Jun 25, 2012 at 22:19
  • @yoda I don't remember who anymore, but someone proposed that last April Fools.
    – Adam Lear StaffMod
    Jun 25, 2012 at 22:41
  • @AdamLear It was one of the Mi Yodeya mods...
    – Aarthi
    Jun 25, 2012 at 23:12
  • See also: meta.stackexchange.com/questions/73836/…
    – ale
    Jun 26, 2012 at 0:25
  • possible duplicate of Can we shorten Stack Exchange URLs by using .se domains?
    – ale
    Jun 26, 2012 at 0:25
  • As an aside: Super User is written with a space.
    – Arjan
    Jun 26, 2012 at 4:23
  • It isn't superuser.stackexchange.com, it's just superuser.com, hence only referred to as SU. Don't see what the issue is. Jun 26, 2012 at 4:59

1 Answer 1


When in Rome, do as the Romans do.

It's pretty easy to realize that it's a shortform, IMO. You're on the Stack Exchange network. S. E. If someone says programmers.SE, it's pretty obvious that the SE means stackexchange. You've got to take the context of the term into account.

For example, on physics.stackexchange.com, if someone said "Physics.SE", it's pretty easy to know that they're talking about the site itself. If another site is mentioned, it's usually in the context of migration, so again it's obvious that it's another SE site. If someone is confused, s/he can always ask for clarification.

Note that nobody says SU.SE -- It's just abbreviated as SU. The same goes for SO (Stack Overflow), SF (Server Fault), and MSO (Meta Stack Overflow).

  • Also, don't use uppercase domain names. Hence Programmers.SE simply is not programmers.se.
    – Arjan
    Jun 26, 2012 at 4:25
  • How do you pronounce MSO? Is it like M-S-O or Meso? Jun 26, 2012 at 4:57
  • @RichardJ.RossIII: I pronounce it Em Ess Oh. I think everyone does. Ess Oh, Ess Eff, Ess You, Em Ess Oh, etc. Doesn't realy matter, feel free to pronounce it phonetically :) Jun 26, 2012 at 4:58
  • 3
    This is really confusing. We all know that MSO means Malmö Symphony Orchestra, and they already have the domain registered MSO.SE. Context is everything!
    – Bo Persson
    Jun 26, 2012 at 8:45

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