This is generally done for security reasons. Getting Involved Outside of Work. I was working on this several weeks ago - and just couldn't get the real. New features also include Members Areas, Squarespace Scheduling (to manage bookings and appointments), and Squarespace’s own email marketing tool. Always updating and 100% Free. 0 site, fairly basic with just a few posts and 2 evergreen content sections. Add unique hash to each uploaded theme in the themes directory. I have this HTML iframe code on two seperate websites: