I think you're thinking of the fact that WKWebView allows you to use the JIT, whereas UIWebView didn't allow for that. There are still various ways in which th

I think you're thinking of the fact that WKWebView allows you to use the JIT, whereas UIWebView didn't allow for that. There are still various ways in which third-party browsers are penalized, such as links from other applications being hardwired to open in Safari.