Yes. Simply copy your embed code to a “code block” on Squarespace. Here is an article on Squarespace describing how to use code blocks. http://help.squarespace.com/guides/using-the-code-block

Yes. Simply copy the embed code from MySiteAuditor into the Javascript widget in unbounce and BOOM! You are up and running 🙂 See this article by unbouce. Using Custom JavaScript on unbounce