I wonder how much traffic has been siphoned away from those copy-cats that mirror SO? Out of principle alone, I will immediately hit the back button and look fo

I wonder how much traffic has been siphoned away from those copy-cats that mirror SO? Out of principle alone, I will immediately hit the back button and look for the genuine article, but I could believe many do not. The other aspect that grinds my gears is the closing of duplicate question. Fine in principle, except when the original was answered 10 years ago and all of the answers are jQuery.