How to Make Gmail Remember my User ID and Passwords with Safari

There are three solutions I've found. The first two are the easiest and least intrusive, the third one should be tried last as it will remove all saved passwords for other websites too (but the third seems to have worked the most times for other people)

a. Safari Preferences

Locate and delete the entry for Gmail that is set to 'Passwords Never Saved':

b. Remove Keychain Entry

open Keychain Access (in Utilities), then look in the login keychain and find the site you tried to visit. Somewhere in the list, you'll see an entry like this:

www.somesite.com (Passwords not saved)

Simply delete that item from the login keychain, restart Safari, and Safari will prompt you to save usernames and passwords when logging in to that site. The easiest way to find it in Keychain Access is to search for it using part of the website's URL as your search term.

c. Reset Safari

1. Open Safari
2. Click Safari > Reset safari
3. Tick Remove saved names & passwords
4. Click Reset Safari
5. Quit, Repoen and load Gmail