Home Online Advertising Firefox to Block Third-Party Cookies in Privacy Update

Firefox to Block Third-Party Cookies in Privacy Update

SHARE:

FirefoxMozilla’s Firefox browser will have a new cookie policy when its release 22 comes out later this year. The new patch, developed by privacy advocate Jonathan Mayer, will allow first-party cookies, but block third-party cookies.

“The new cookie policy is intended to better conform to user privacy expectations and preferences,” Mayer said in an email with AdExchanger. “For my part, I share Mozilla’s enthusiasm for making Do Not Track a reality. It would provide consumer choice over third-party web tracking that is comprehensive, persistent, and polite (i.e. without technical intervention).”

The policy will be similar to that of Safari, which allows cookie permissions for first-party content and for third-party content only if it already has one cookie set, Mayer explained in a blog post about the policy.

Alex Fowler, global privacy and public policy lead for Mozilla, wrote a post on the Mozilla Privacy Blog about the update: “Many years of observing Safari’s approach to third party cookies, a rapidly expanding number of third party companies using cookies to track users, and strong user support for more control is driving our decision to move forward with this patch.”

A couple tweets from advertisers have been circulating in the media coverage of this new policy, but Mayer said he and Mozilla are open to dialogue and feedback from users and the industry.

“In my conversations with Mozillans, their thinking was guided exclusively by two touchstones,” Mayer told AdEchanger. “Does this make Firefox a better product for its users? And does this advance the web ecosystem?”

Must Read

Conversion APIs Are Becoming Table Stakes – But Not All Brands Have Bought In

CAPI integrations have moved from a nice-to-have to a necessity for anyone operating within walled garden environments. Now they’re laying the groundwork for an outcomes-driven ad ecosystem.

Peppa Pig

The Media And Retail Deals Behind The Peppa Pig Franchise Expansion

Peppa Pig is everywhere. Whether or not you have children, you likely know the little girl pig from the kid’s cartoon show. But the Peppa media franchise is just getting started.

How A For-Profit College Is Using CTV Ads To Win Over New Students

The American College of Education partnered with performance TV company MNTN to better reach its audience of adults seeking higher education.

Privacy! Commerce! Connected TV! Read all about it. Subscribe to AdExchanger Newsletters

Critics Say The Trade Desk Is Forcing Kokai Adoption, But Apparently It’s Up To Agencies

Is TTD forcing agencies to adopt the new Kokai interface despite claims they can still use the interface of their choice? Here’s what we were able to find out.

Why Big Brand Price Increases Will Flatten Ad Budgets

Product prices and marketing budgets are flip sides of the same coin. But the phase-in effects of tariffs, combined with vicissitudes of global weather and commodity production, challenge that truism.

The IAB Tech Lab Isn’t Pulling Any Punches In The Fight Against AI Scraping

IAB Tech Lab CEO Anthony Katsur didn’t mince his words when declaring unauthorized generative AI scraping of publisher content “theft, full stop.”