Subdomain with www. better or not www. better?

Hi all,
Subdomain with www. better or not www. better?
ex: http://www.baby.girlsgames1.co/ or http://baby.girlsgames1.co/

Thanks

 

www is not usually used on subdomains. whichever version you use, use one uniform version and stick with it. its a good idea to use 301 redirect to redirect the other version to the one you are using. say 301 redirect the www version to non-www version

 

I think non www version is better, but if you employ 301 redirect it can easily redirect your www version to non www version.

 

both of them are same, just use eitherf one and redirect another one