I have https://account.firefox.com in my password manager with the appropriate username (my email address) and password. At attempted login I find I must always type (or paste) my username. Autofill by my password manager is not accepted as on all other websites. Upon having so entered the userid, the password manager may then autofill the password as if this were a first-time visit to the website. Further, the login process demands verification via code sent to my email address. This happens over and over. It occurs no matter which browser I use: Firefox or Safari. This is entirely inefficient and encourages me NOT to bother with the website whatsoever!