Why “?v=hash” is added to my URLs?

I’m new to wordpress, I set up everything, but there’s something that bothers me: on every single URL or link, there’s a “?v=hash” appended everywhere (example.com/?v=d21feabed96b). I tried to see inspect every plugin, I don’t understand how this parameter is added. It looks like it’s added in js, because if I see the source, there’s … Read more