URL with string at end

Hello,

I’m testing my site, and the pages seem to load as they should. However, there seems to be a JS string at the end of the URL. Every URL loads the correct permalink, but is then followed by, for example “?v=7516fd43adaa”

Every page loads as: “www.sitename.games/pagename/{JS string here}”

Would this be an issue with my Host something with the Theme?

Thanks,
Jason.