Adding autocomplete off to form element.
<form method="post" action="/form" autocomplete="off">PS: The browser still have ability to override this action, if a user is OK with it. source
Adding autocomplete to input elements, and randomizing its attribute values
<input type=[type] autocomplete="$random">. Random non-supported value, makes the browser giving up to ask users to agree. Autocomplete valid attributes
IN addition, you may need to disable
autocorrect="off|on". Autocorrect is available for Safari Browsers.
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