I did search for this before posting, but in reality I don't even really know the proper search terms because I don't know what's happening.
I just moved a root install of WP to a subdirectory on the same server by following the instructions here:
The move went smoothly and everything works - e.g. no 404 not found, no broken links or broken images... BUT now these characters #.TzKclJieCs8 are appended to every single URL.
So, for example, I now have
Any ideas?! How do I fix this?!
The site works. The URLs work, but it's going to be a problem for SEO...