iOS software quick-fire questions

Can I limit Find My Friends to show only iPhones?

No. When you add someone to your list of friends, you’ll see their location according to their choice in Settings > Privacy > Location Services > Share My Location > From. If they choose to set that to an iPad that remains in their home, rather than their iPhone, their apparent location may be quite different from where they really are.

How do I remove old passwords for unused websites?

In iOS 12, go to Settings > Passwords & Accounts > Website & App Passwords and get past the Touch/Face ID/ passcode check. Tap the relevant item in the list, then tap Edit. Tap the red icon by the address, then Delete, then Done.