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 or Superuser.

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

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5 Made on a Mac, has only a couple of pictures, nothing else works. Figures. –  Yannis Jun 25 '12 at 21:46
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 '12 at 21:47
Who even does that? It doesn't even make sense for Super User since that site has its own domain. –  lunboks Jun 25 '12 at 21:48
So basically you're saying "Stop using this slang!?" –  Robert Harvey Jun 25 '12 at 21:48
Who uses .se when the footer says .com? –  random Jun 25 '12 at 21:48
Robert, indeed, I am. And I'm also off to register the domain name "" ;-) –  Emil Vikström Jun 25 '12 at 21:50
On a more serious note, I think I could train myself to type Programmers-SE. Would that satisfy your sensibilities? –  Robert Harvey Jun 25 '12 at 21:54
aww... that'll kill the fun when the goats proposal takes off on Area51 –  Lorem Ipsum Jun 25 '12 at 22:19
@yoda I don't remember who anymore, but someone proposed that last April Fools. –  Anna Lear Jun 25 '12 at 22:41
@AnnaLear It was one of the Mi Yodeya mods... –  Aarthi Jun 25 '12 at 23:12
See also:… –  Al E. Jun 26 '12 at 0:25
possible duplicate of Can we shorten Stack Exchange URLs by using .se domains? –  Al E. Jun 26 '12 at 0:25
As an aside: Super User is written with a space. –  Arjan Jun 26 '12 at 4:23
It isn't, it's just, hence only referred to as SU. Don't see what the issue is. –  Nightfirecat Jun 26 '12 at 4:59
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1 Answer

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, 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).

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Also, don't use uppercase domain names. Hence Programmers.SE simply is not –  Arjan Jun 26 '12 at 4:25
How do you pronounce MSO? Is it like M-S-O or Meso? –  Richard J. Ross III Jun 26 '12 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 :) –  Manishearth Jun 26 '12 at 4:58
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 '12 at 8:45
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