How to Disable History Sniffing in Firefox

by Venkat eswarlu on December 6, 2010

in Firefox,How to,security,tips and tricks

Web browsers remember web pages visited by user to show visited links in purple and not visited links with blue color and for auto-completion in the URL bar.  Some websites do track user’s browsing history based on the loophole in browser such as this called as history Sniffing.

History sniffing is fixed in upcoming  Firefox 4 final, however here is how you can disable history sniffing in Firefox 3.5 and above.

1.Type about:config in the browser.

2. Opposite to Filter type layout.css.visited_links_enabled, double click it to set its value to false.

disable history sniffing in Firefox thumb How to Disable History Sniffing in Firefox

But with this, websites no longer determines which links you clicked neither you and you’ll not able to identify the difference between visited and not visited links.

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{ 1 comment… read it below or add one }

bill March 4, 2011 at 10:05 am

Didn’t work – they’re still purple

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