HTML5: Your visual blueprint™ for designing rich web pages and applications

DISABLE AUTO-COMPLETION OF INPUT TEXT

You can use the autocomplete input attribute to instruct the browser how it should remember the values in a form after it is submitted. When the form loads again, supported web browsers will present a pull-down list showing all previous values after the user types the first character that matches a previously used value. This feature is enabled by default, but should be disabled for security text fields, such as usernames and Q&A authentication.

You can disable it on your website by applying autocomplete='off' to a form tag:

<form ... autocomplete='off'>
<input type='text' ... >
</form>

Or set autocomplete='off' on individual input elements; no values will be cached, nor will a pull-down list appear: ...