i don’t care for Apple but thanks for the suggestion.
That lets you see a nicely almost anti-aliased view of the exact webpage content as envisioned by the developer (nowadays an artist-y person who spent a lot of time figuring out how to present information) but with your fingers lets you go in and out as necessary to make the content look nice on your smaller screen.
It is a brilliant way to help make content that wasn't designed for a 320x480 screen work acceptably on such a screen.