With watchOS 5, Apple has added support for WebKit, which is designed to allow you to view content from the web right on your wrist, something that’s entirely new to the Apple Watch.
There’s no full web browser so you’re not going to see a Safari app for Apple Watch anytime soon, but you can now click on and open web links in apps like Mail and Messages.
Read more – https://www.macrumors.com/how-to/browse-the-internet-watchos-5/