iOS: Should I use a tab bar button to direct a webview to a new URL or to segue to a new view controller with another webview

I am in the process of making an iOS version of an Angular web app.

The app will have a tab bar menu on the bottom with 4-5 buttons to control the content of a webview that will fill the rest of the screen (which loads the web app from an URL).

But I'm conflicted on wether to use the tab bar menu buttons to make one webview load different URL's or if I should use the tab bar to segue to other view controllers that load the URL's that each tab bar item represents.

What would give the best experience?

I'm thinking that segueing between view controllers will give the nicest animations, but I'm not sure if that will cause the app to reload each webview on each segue, causing delays in loading the web app content in the dedicated webview, and thus eliminating the benefit of using "native segues"

What do you think?