loads the page as though you are not signed in so you can see what the page would look like to others without having to switch to a different account
but it looks exactly the same to everybody
It doesn't show you if links are working if you are the owner of the project
Actually, if you put a link and you are signed in, it will look like normal text, but if you are signed out it will look like an actual link which you are able to click on. but it looks exactly the same to everybody
Support, it'd be like other previews for other sites, helps you properly format things.
Support, this would clear up confusion with tags and links - I've seen people ask why their tags aren't working, and then they're told to go through the hassle of signing in, going to your project, signing out, and going back to your project to check whether their tags are working or not.