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I've noticed that on any login form, when I fail to enter the correct username/password combination, the browser (Chrome, at least) does not prompt me to save the password.

As soon as I enter the right credentials however, the popup appears and I am prompted to save it.

Is there any kind of web standard that governates this behaviour?

How can I be confident, when I build a web app, that the browser will understand when the credentials are right or wrong?

Note: this is not a duplicate of How does browser know when to prompt user to save password? as suggested: the problem there is that the prompt does not appear at all. I do not have this problem: the prompt does appear, but I'm surprised it appears only when the login is successful.

My question is how does the browser knows to only prompt it when the login is successful?

BenMorel
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    Possible duplicate of [How does browser know when to prompt user to save password?](https://stackoverflow.com/questions/2398763/how-does-browser-know-when-to-prompt-user-to-save-password) – Obsidian Age Jul 09 '17 at 21:21
  • @ObsidianAge No it's not, please see my edit! – BenMorel Jul 09 '17 at 21:26
  • One thing I can think of is, that possibly the browser only stores the password, if the request is not redirected to the same page, if it ends up on a different url than the login page. – martinstoeckli Jul 20 '17 at 07:36
  • @BenMorel were you able to solve it? I kinda need it for Chrome Extension development. – John Oct 27 '22 at 17:16

1 Answers1

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The browser look for the UI & url change. If it's not the same page on which the login form appears, the browser do prompt the save password tool.

So definitely You should post the form to different url in case of correct credentials, and redraw the same login form if it fails.

Google even gives additional ways to get the behavior wanted:

1.Include autocomplete in the form.
2.Prevent the form from submitting.
3.Authenticate by sending a request.
4.Store the credential.
5.Update the UI or proceed to the personalized page.

LdiCO
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