Block or Allow Third-Party Cookies in IE, Chrome, Firefox, Opera

In this post, we will see how you can block or allow third-party cookies and site data in Internet Explorer, Chrome, Firefox, Opera browsers on Windows 8.

An Internet Cookie is a small snippet of information sent from a web server to a user’s browser, which then stores it. On subsequent access to the same web server this server can then read back this information snippet and use it to “recognize” the user. While Cookies are required for proper rendering of web pages, there are some cookies, which you may want to block for privacy concerns.

There are several types of Cookies like First Party Cookies, 3rd Party Cookie, Session Cookies, Persistent Cookies, Tracking Cookies or Browser Independent Cookies like Flash cookies and Silverlight cookies, depending on the role they play.

Block or Allow Third-Party Cookies

Third-Party Cookies are nothing but Cookies from another website requested via an embedded code. These have no real benefit to the user as they are only used for data gathering purposes.

Some websites or features on a web page may not work if you block third-party cookies. Then again, some of you may have privacy concerns and may want to block third-party cookies.

We have seen how you can manage cookies in Internet Explorer, Chrome, Firefox and Opera. Now let us see how you can allow or block third-party cookies in these web browsers.

Block Third-Party Cookies in Internet Explorer

allow block third party cookies

To set Internet Explorer to block third-party cookies, open IE > Internet Options > Privacy tab.

Click on the Advanced button to open the Advanced Privacy Settings. here, check the Override automatic cookie handling box. IE by default accepts third-party cookies. To block them, select Block. Click OK and exit.

Block third-party cookies and site data in Chrome

chrome 3rd party cookies

In Google Chrome, open Settings. Click on Show advanced settings and scroll down to Privacy. Click on the Content settings button. You will see the setting as shown above.

You may select the Block third-party cookies and site data option. Click Done and exit.

Accept third-party cookies in Firefox

third party cookies firefox

Open Mozilla Firefox Options and select the Privacy tab. Under History, from the drop-down menu, select Use custom settings for history.

Now under Accept third-party cookies, select Never, to block them.

Block third-party cookies and site data  in Opera

block site data

Open Opera Settings and click o the Privacy & security link. Under Cookies, check the Block third-party cookies and site data setting. Restart Opera.

In this way you can disable third-party cookies in the popular web browsers in Windows.

Tomorrow we will see how you can enable or disable 3rd-party cookies in the Metro / Modern UI / Universal  IE app on Windows 8.1 using PC Settings.

Have a look at this freeware called Expired Cookies Cleaner too. It will help you remove Expired Cookies in Internet Explorer.

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Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.

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