Third-party cookie-blocking in Firefox delayed again

Mozilla announced its plans to automatically block third-party cookies in its Firefox browser earlier this year. The announcement earned praise from privacy advocates along with the bitter response from the ad industry.

The feature first seemed on track for Firefox 22, which launched in June this year and later for Firefox 23, the edition slated to ship in August. But Mozilla has been postponing the tool for several months now and according to a new report in San Francisco Chronicle, “it’s not clear when it will happen — or if it will at all.”

The report said: “Now that effort is on hold, pushing completion of the project well into next year, The Chronicle has learned. Even then, Mozilla won’t necessarily adopt the feature, an executive said in an interview.”

“That remains to be seen,” Harvey Anderson, senior vice president of business and legal affairs was quoted as saying. “Once that’s out there, I think you still have to compare that against the other systems and ecosystems being proposed.”

As Mozilla explains on its site, third-party cookies are cookies that are set by a website other than the one you are currently on. For example, might have a Facebook like button on their site. That like button will set a cookie that can be read by Facebook. That would be considered a third-party cookie.

Some advertisers use these types of cookies to track your visits to the various websites on which they advertise.

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