Not all websites just let you save passwords to iCloud Keychain. Whether for privacy or security reasons, or simple technical misconfiguration, sometimes your best efforts to stay in sync across your Apple devices will be stymied... at least at first. Luckily, Safari can often let you save passwords even if the website itself tries to stop you. Here's how to do it in OS X Mavericks.
That's it! Safari and iCloud Keychain should now save and fill in logins even for sites that have requested you not store them!
If you have specific questions about iOS 7 or OS X Mavericks in general, check out our iOS 7 help and discussion forum or OS X Mavericks help and discussion forum. For more on Safari in specific, check out our ultimate guide: