3

Is there any security advantage in searching on duckduckgo using !google? Or is it effectively the same as searching directly on google?

7

There's no difference: DuckDuckGo doesn't offer any privacy protection when redirecting the search to another result page with a !bang. E.g. !google foo (https://duckduckgo.com/?q=!google+foo) just redirects to https://google.com/search?hl=en&q=foo using both

  • meta refresh

    <meta http-equiv='refresh' content='0; url=https://google.com/search?hl=en&q=foo'>
    
  • and JavaScript

    <script language='JavaScript'>
        function ffredirect(){
            window.location.replace('https://google.com/search?hl=en&q=foo');
        }
        setTimeout('ffredirect()',100);
    </script>
    
  • ...but not with an actual HTTP redirect, probably in order to hide itself as the referrer:

    <meta name='referrer' content='never'>
    

On the other hand, it prevents Google from getting direct information on the keystrokes and typos through Ajax queries:

Google search JSON example

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