DuckDuckGo Extension to Block FLoC, Google’s New Tracking Method in Chrome


  • Google has created a unique tracking scheme known as FLoC, save it in Chrome, and robotically was it on for millions of customers.
  • FLoC is sinister for privateness: It places you in a crew in step with your browsing history, and any web pickle can get that crew FLoC ID to scheme and fingerprint you.
  • You may perhaps well maybe use the DuckDuckGo Chrome extension to block FLoC’s tracking, which is an enhancement to its tracker blockading and right away in accordance with the extension’s single motive of retaining your privateness holistically as you use Chrome.
  • DuckDuckGo Search (by skill of our web pickle duckduckgo.com) is now moreover configured to opt-out of FLoC, regardless while you occur to use our extension or app.

What staunch came about?

If you occur to’re a Google Chrome particular person, you will likely be taken aback to learn that you just will likely be succesful to also had been entered robotically into Google’s unique tracking scheme known as Federated Finding out of Cohorts (FLoC). It groups you in step with your pursuits and demographics, derived out of your browsing history, to enable creepy advertising and other whisper focusing on without third-occasion cookies. After a brief trial duration, Google made up our minds now to not save this unique tracking scheme a particular person need and as but every other started robotically along side millions within the scheme. If you occur to’re reading this in Chrome while logged in to a Google story, sure, that likely manner you too, and if no longer now, then at last.

As a particular person, what can I elevate out to aid a ways flung from this?

The factors for being opted into FLoC are a minute little bit of hidden and conflicting, but there are three strategies for blockading FLoC:

  1. Manufacture no longer use Google Chrome! Factual now FLoC is most attention-grabbing in Google Chrome, and no other browser supplier has expressed an scheme or even passion to enforce it. There are a complete bunch browsers which may perhaps well be free to obtain, and we recommend some in our data to Google conceivable selections. On iOS or Android we hiss you use our rep mobile browser, which affords easiest-in-class privateness protection by default when browsing and skimming.
  2. Set up the DuckDuckGo Chrome extension. In step with Google robotically turning on FLoC, now we devour enhanced the tracker blockading in our Chrome extension to moreover block FLoC interactions on web pages. Here’s right away in accordance with the one motive of our extension of retaining your privateness holistically as you use your browser. It’s privateness, simplified. (If you occur to use a non-Chrome browser, you will likely be succesful to get our extension right here.) The FLoC blockading feature is included in model 2021.4.8 and more contemporary of the DuckDuckGo extension, which can also unexcited auto-update, even supposing you will likely be succesful to moreover test the model you will likely be succesful to devour save in from the extensions checklist within Chrome.
  3. Alternate your Chrome and/or Google settings, which we recommend you elevate out in any case while you occur to proceed to use Chrome. It appears (but Google is no longer in actual fact very obvious about this so we’re undecided) that while you occur to kind any of the following, then Google will exclude you from FLoC, no longer no longer as a lot as at the present. And as there are unexcited many unknowns and issues are altering snappy, the effectiveness of these steps may perhaps well maybe also alternate in future.
    • Cease logged out of your Google story;
    • Manufacture no longer sync your history data with Chrome, or make a sync passphrase;
    • In Google Assignment Controls, disable “Internet & App Assignment” or “Consist of Chrome history and exercise from sites, apps, and devices that use Google services and products;”
    • In Google Advert Settings disable “Advert Personalization” or “Furthermore use your exercise & data from Google services and products to personalize commercials on web pages and apps that companion with Google to illustrate commercials.”

Indicate that even while you occur to alternate these settings, we moreover recommend putting within the DuckDuckGo Chrome extension to get holistic privateness protection when utilizing Chrome, along side non-public search, tracker blockading, Smarter Encryption, and International Privacy Retain a watch on. For non-Chrome desktop browsers, you will likely be succesful to get our extension right here.

So, what is FLoC anyway?

With browsers losing make stronger for third-occasion cookies, FLoC is Google’s scheme for replacing them. It is being developed within the launch and is acknowledged by Google to be comely for privateness. Nevertheless, it has obtained standard criticism from privateness specialists, along side from EFF who reveal or no longer it’s a “unpleasant thought” and implored Google “please price no longer elevate out this.” We accept as true with their evaluation, and, in a international where it does exist, it needs to be explicitly opt-in for customers (free of darkish patterns). To boot, while Google isn’t phasing out third-occasion cookies in Chrome unless no longer no longer as a lot as 2023, FLoC is already are dwelling at this time time in 2021.

What are just a few of these privateness concerns with FLoC?

With FLoC, by merely browsing the fetch, you’re robotically placed into a crew in step with your browsing history (“cohort”). Websites you focus on about with will right away be succesful to get entry to this crew FLoC ID and use it to scheme commercials or whisper at you. It is devour strolling into a store where they already know all about you! To boot, while FLoC is speculated to be more non-public on story of it’s a crew, blended with your IP take care of (which moreover gets robotically sent to web pages) you will likely be succesful to proceed to be tracked without concerns as an particular person.

Google itself maintains detailed profiles of customers, built up over time from what they’ve discovered about customers (along side through passive trackers lurking on most web pages), but with FLoC they’re now exposing your derived pursuits and demographics from this profile to the web pages you focus on about with by skill of FLoC IDs. Though the cohorts you belong to over time are non-descriptive and represented by an nameless-taking a look amount, it obtained’t be prolonged sooner than folks or organizations work out what FLoC IDs in actual fact mean, e.g. what pursuits and demographic data they’re likely correlated with.

But price no longer staunch retract it from us. Google itself has acknowledged this unique scheme is no longer no longer as a lot as 95% as efficient as third-occasion cookie tracking, persevering with the flexibility to scheme folks in step with age, gender, ethnicity, earnings, and a lot of alternative factors. This focusing on, no topic how or no longer it’s done, enables manipulation, discrimination, and filter bubbles that many folks would must aid a ways flung from.

Please moreover demonstrate that FLoC IDs will moreover be accessible by third-occasion trackers lurking on web pages. As we’ve outlined no longer too prolonged ago, to offer protection to yourself from these trackers, you will likely be succesful to must pause them from loading to your browser, which is moreover finished by the DuckDuckGo extension and app.

As a web pickle proprietor, what can I elevate out to aid a ways flung from this?

Websites can retract steps to offer protection to the privateness of their customers by opting out of FLoC, which may perhaps well be appropriate to all their guests. It is done by merely sending the following Permissions-Policy HTTP response header:

Permissions-Policy: passion-cohort=()

Some publishers devour The Markup and The Guardian devour already done so, as devour we at DuckDuckGo Search, and we assist others to follow.

What’s subsequent?

We’re upset that, no topic the a lot of publicly voiced concerns with FLoC that devour no longer but been addressed, Google is already forcing FLoC upon customers without explicitly asking them to opt in. We’re alternatively committed and may perhaps well maybe also unexcited proceed to preserve out our half to squawk on our vision of elevating the everyday of belief on-line.


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