This tool from nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq4nm7z9u5ztkwwkwmh32aa35eugc2vm50l8neuyzxauzm272hreasevatx4 (nprofile…atx4) is interesting for inspecting what sort of JavaScript is being injected into all web pages by apps that present a custom in-app web view instead of using the system web view or just jumping you out to your default browser.
https://inappbrowser.com/