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security - Cross-browser techniques for disabling password caching

Saving and auto-filing of username/password is a feature of most modern browsers. And the user can generally choose to disable this feature on a per domain basis. But is there a standard way for the site itself to prevent password caching?

The emphasis here is cross-browser, so I would employ multiple parallel mechanisms if necessary.

(I have seen caching be effectively disabled in the presence of non-standard login fields, eg, an extra hidden password field. But I'd rather not depend on side-effects whose behavior could unexpectedly change in the future.)

Conversely, are there browsers/versions out there that implement password caching without any disable feature?

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Add autocomplete="off" to your <input> elements. Works in all modern browsers, IIRC.


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