The first thing people will see when looking for your online portfolio is the site’s domain name. In order to stand out, it is important that you have a custom domain name. For instance, if you have a blog with Tumblr instead of your link reading “tumblr.johndoe.com”, you could purchase a domain name that was simply “johndoe.com”. It looks more professional and is easier to share with people. Also, without a custom domain name, your site will not come up in searches when people search your name. Below are some popular sites where you can purchase a custom domain name.
GoDaddy – starting at $12/yr.
NameCheap – starting at $10/yr.
JustHost - starting at $3.45/mo.