If you have a website, you can usually publish your BlueUtopia signup forms right there in your website. You do that with an embed code. The embed code is displayed at the bottom of the signup page in the admin panel.
The embed code works just it does in YouTube or other shareable content - just copy this code and paste the code into your target page, using your current CMS.
Note: In most cases (e.g. WordPress, Wix, etc) you will need to install a plug-in that enables the ability to use embed code.