Mozilla Firefox Will Block Third-party Cookies, a Dirty Trick for Advertising

On the Internet, cookies are used to store information related to Internet users. They are an essential link for keeping a session open on websites. Personalizing search results, creating a shopping cart on an e-commerce site, etc. And tracking Internet user browsing to increase the relevance of advertisements. Overall, there are two types of cookies: Cookies operating on a particular website: this is the case of the Google Analytics cookie, allowing webmasters to retrieve data on visitors to a site. This second type of cookie is now in the sights of the Mozilla Foundation. The purpose of the foundation is to further protect the privacy of Internet users.

Cookies Operating on a Particular Website


Advertising agencies (in particular) will no longer be able to record user browsing to offer them related advertising (retargeting techniques, use of Google DoubleClick, etc.). Firefox 22 will indeed block these third-party cookies by default. The browser is now in version 19, the twenty-second version will be available in early April, equipped with this new feature. However, the user must delete his Cyprus WhatsApp Number cookies (or wait for them to expire) for the blocking to be effective.

Cookies already installed on the computer will still be active after updating Mozilla Firefox to version 22. Currently, users can choose to disable third-party cookies on Mozilla Firefox . Just go to the browser options, “Privacy” tab, choose the custom settings for the history and disable third-party cookies. From Mozilla Firefox 22, this option will be disabled by default. Last May, the foundation welcomed Internet Explorer’s initiative to implement Do Not Track in Internet Explorer 10 …

Cookies Used by Several Websites

Cyprus WhatsApp Number
Cyprus WhatsApp Number


While strongly criticizing the fact that the option is active by default. By blocking third-party cookies automatically, Mozilla Firefox is doing an about-face. Note that users can of course re-activate these cookies if they wish – but who will? The Mozilla Foundation aligns more or less with the policy followed by Safari: Apple’s browser also blocks most third-party cookies by default, only accepting “first-party” cookies. At the same time, Google Chrome and Internet Explorer accept almost all cookies. Of course, some online advertising players see red: this is particularly the case of Mike Zaneis, vice-president and general counsel of the Interactive Advertising Bureau, who goes so far as to compare Mozilla Firefox’s choice to disable cookies third party by default to a declaration of war.

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