How to sign in with passkeys in Safari on iPhone
In the Safari app, you can use Face ID or Touch ID, on supported models, to securely sign in to supporting websites with a passkey. It’s quick. When a website supports it, the option to use a passkey to sign in appears at the bottom of the screen.

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You can create Safari profiles on iPhone, like Personal, Work, and School, each with its own favorites, history, tabs, and Tab Groups.
You can use Distraction Control in Safari on iPhone to hide menus, pop-ups, and other distracting items on a webpage.
You can create a strong password for a website or app on iPhone in the Passwords app, or when you sign up for a new account.