How bad is it to use a hyphenated domain name for a startup? I.e. what if foursquare.com was four-square.com.<p>Would this significantly reduce the value of my site?
I'd say bad. When you tell someone about your site, you have to say "your dash site dot com", which is not only longer but also harder to remember. (This is similar to the GNU/Linux debate in some respects.)<p>If you buy "your-site.com" to protect "yoursite.com", which you already own, then it's worth it.
i find the - more pleasing but after having this conversation w/ many many people over the years, i am obviously in the minority. most people i know would assume that your non-dash name was taken and you were desperate to get some name in that variety. take from that what you will.
Four-square does look nicer to me, but it is not a big difference, because the words' individual meaning is not important. You could say that "foursquare" is simply a new word, and in english text about that company, you would write about "Foursquare", not "Four Square".<p>On the other hand, experts-exchange is much better than expertsexchange, because the two words carry own meaning---you would not try to create such a word in english but write "Experts' Exchange". Therefore, I believe that these words should be separated. The standard way to separate words in domain names is the hyphen.
I actually prefer hyphens when it comes to domains like Trip-Play.com or something where it's harder to distinguish where words end.<p>Four-square.com probably would not have caught on quite as well though.
It's not necessarily because dash-domains are bad, but out of the top million websites, domains containing a hyphen are less common among the more popular sites. See histogram at <a href="http://abznak.com/pub/20101228_dashdomain.png" rel="nofollow">http://abznak.com/pub/20101228_dashdomain.png</a>
I'd say if your business depends primarily on search/keyword traffic then hyphens are ok. Otherwise, no, since you are just giving away traffic to the non-hyphenated domain.<p>Example of search/kw dependent domain would be something like if you sold wedding favors (wedding-favors.com, for example).
it could significantly reduce the value of the site if much of your potential word-of-mouth traffic goes to the non-hyphenated domain first<p>Germany seems to be the exception in preferring hyphenated domains, which is probably a consequence of trying to avoid multi-word domains being confused with the German language's many clumsy-looking compound words