Everything you need to know about Google FloC

Table of contents

Everything you need to know about Google Floc

Google wants FLoC to take the role of cookies, which are now the most common method of tracking users on the internet. Your browser saves these small bits of text and code on your computer or phone, and they allow websites to figure out whether you’ve visited previously, what your site preferences are, where you are in the world, and more.

By the end of next year, if Google follows its plan, Chrome will no longer enable websites to utilize third-party cookies, which are cookies that come from domains other than their own. Advertisers will potentially have a much harder time tracking your online habits and serving you personalized adverts as a result of the shift. Safari and Firefox have previously disabled certain cookies, but Chrome is now the market leader, therefore its switchover is the most significant. Other companies has been less enthusiastic about the notion says the Jacksonville SEO experts.

FLoC’s goal is to provide marketers with a mechanism to target adverts without revealing personal information about individual users, and it accomplishes this by grouping  individuals  with  similar  interests  together:  football lovers, truck drivers, retired travelers, and so on. Only websites you specifically visit will be able to save those little cookie files on your computer if you block third-party cookies, and they should supposedly only do what cookies were designed to do: keep track of minor things like whether you’re logged in or whose shopping cart is yours. Ad networks won’t be able to figure out who you are and deliver you tailored adverts if third-party cookies are blocked, which is a major concern for the advertising business.

Cookie tracking has gotten increasingly intrusive, as Google points out. Advertisers use an invasive technique called fingerprinting to know who you are even with anti-tracking measures turned on (through your use of fonts, your computer’s ID, your connected Bluetooth devices, or other means). Embedded, far-reaching trackers known as third-party cookies keep tabs on users as they move across multiple websites, while advertisers use an invasive technique called fingerprinting to know who you are even with anti-tracking measures turned on (through your use of fonts, or your computer.Apple, for example, is already pushing back against this type of tracking, mostly by simply prohibiting it without customers’ express agreement (Apple is taking a similar approach with apps). Google prefers to allow targeted advertising while maintaining user anonymity, and it plans to replace cookies with FLoC by 2022—but the goal has already been achieved.

What is Floc?

FloC is a proposed browser standard that, according to Google, will allow “interest-based advertising on the web” without revealing your name to marketers. Instead, you’ll be assigned to a “cohort,” a group of users large enough to make you at least semi-anonymous to the businesses that are targeting you.

That’s all there is to it. The technological one rapidly becomes quite difficult. Here’s a condensed version. Chrome browsers will construct a vast number of “cohorts,” or groupings of individuals who share particular characteristics and interests, using algorithms (the “Federated Learning” aspect). The surfing history of each individual is kept private and never shared with anyone, but the browser will examine the data and assign a user to one of the cohorts. FLoC is built on the Privacy Sandbox concept, a Google-led effort that allows websites to request specific pieces of information about users without going overboard. Aside from FLoC, the Privacy Sandbox encompasses  a  variety  of additional technologies, including those for detecting ad fraud, assisting website creators in analyzing their incoming traffic, determining the efficiency of advertising, and so on.

Only websites you specifically visit will be able to save those little cookie files on your computer if you block third-party cookies, and they should supposedly only do what cookies were designed to do: keep track of minor things like whether you’re logged in or whose shopping cart is yours. Ad networks won’t be able to figure out who you are and deliver you tailored adverts if third-party cookies are blocked, which is a major concern for the advertising business. Google, the largest participant in online advertising, has stated that “other identifiers to follow individuals as they navigate throughout the web” would not be used to replace third-party cookies.


No other browser manufacturer has expressed an interest in supporting FLoC. The rest merely disable third-party cookies and let the chips fall where they may. Also, those chips are a sloppy mess. Whatever reasons you choose to assign to the Chrome team, it’s clear that merely barring third-party  cookies  will  lead to a slew of new ad tech solutions that will be extremely troublesome according to the experts from Jacksonville SEO Company. So, in order to avoid even worse substitutes, Google is developing FLoC and a suite of additional technologies to replace the third-party cookie.

What is the purpose of FLoC?

Advertising is used by many businesses to generate visitors to their websites, and many publisher websites monetize their content by selling advertising inventory. People want to see advertising that is relevant and useful to them, and relevant ads generate more income for advertisers and for the websites that host them. To put it another way, ad space is more valuable when it displays advertising that is relevant to the user. As a result, suitable ad selection boosts income for ad-supported websites. As a result, targeted adverts contribute to the construction of user-friendly  content.  People  are  concerned,  however,  about  the  privacy  implications  of personalized advertising, which now depends on tracking cookies and device fingerprinting, which can disclose your browsing history across sites to advertisers or ad networks. The FLoC concept attempts to offer ad choices in a more privacy-friendly manner.



Rather than attempting to construct a metaphorical privacy wall that prevents all sorts of ad targeting, Google intends to create a Privacy Sandbox within Chrome. Websites can still properly ask for information about your browser within that sandbox if they require it. However, if you ask too many questions, you’ll surpass the browser’s “privacy budget” and be disconnected. As a bonus, websites can provide a little amount of identifying information.

FLoC will be included in that privacy sandbox, and it will further secure your identity by only linking you with a cohort if it is large enough. Chrome will also alter which FLoC cohorts exist.

Features Of FLoC

One of the most important features of FLoC is that Google does not create a massive list of interests and demographics and then assign you to them. Instead, it proposes using Federated Learning to construct a large number of these cohorts in an automated fashion. Chrome will have no idea what any of them are about; it will be left to ad tech companies to figure that out over time. However, as Cyphers points out, that algorithm will ultimately produce cohorts that may be extremely harmful, such as a group of people who have visited websites about escaping domestic violence. Chrome acknowledges this problem and says it will examine algorithmically formed cohorts to determine whether any are linked to what it considers to be sensitive themes and if so, Chrome will refuse to serve those cohort IDs. However, because FLoC isn’t centralized, it’s vital to understand that if another browser vendor adopts FLoC, that browser will be responsible for creating identical blocklists.

Websites will have the option of opting out of FLoC, which means that visits to their sites will not be counted against an individual FLoC user’s profile. Similarly, the Chrome team plans to provide opt-out toggles for users who do not wish to submit FLoC IDs to the websites they visit somewhere in Chrome’s settings.

Is  it  possible  that  FLoC  may  become  another  data  point  for fingerprinters?

Is it possible that FLoC may become another data point for

It appears to be a possibility, and protecting against it appears to be another task for Chrome’s privacy budget and sandbox algorithms.

Another thing to consider is that FLoC is a highly convenient method for websites to learn enough about you to target appropriate adverts, which implies that FLoC is a very handy way for websites to learn things about you. It’s not as bad as the present cookie issue, but it’s far away from the “You Shall Not Pass!” mindset that other browser providers (such as Apple and Brave) use when it comes to giving access to potentially personally-identifying information.

What can you do with FLoC?

Display adverts to users whose browsers are part of a group that has been detected visiting an advertiser’s site regularly or showing interest in relevant topics.

To guide ad auction bidding behavior, Jacksonville SEO professionals advise you to employ machine learning models to forecast the likelihood that a user would convert based on their cohort.

Users should be given content recommendations. Assume a news site notices that visitors from cohorts 1234 and 7 are particularly interested in their sports podcast page. They can tell other visitors in those cohorts about the material.

How does FLoC work?

How does FLoC work

The roles in picking an ad using FLoC are described in the example below.

●  In this case, the advertiser (a corporation that pays for advertising) is an online shoe retailer:


●  In this case, the publisher (a website that sells ad space) is a news site:    


●  The adtech platform (which provides advertising software and solutions) is:         


FLoC service

The browser’s FLoC service generates a mathematical model with tens of thousands of “cohorts,” each of which corresponds to tens of thousands of web browsers with comparable recent browsing histories. Below is further information on how this works.

Who is in charge of the FLoC model’s back-end service?

Each browser manufacturer will have to decide how to divide browsers into cohorts on their own. Chrome has its own FLoC service; other browsers may opt to implement FLoC using a different clustering strategy, in which case they would have to operate their own service.

How does the FLoC service make it possible for the browser to determine its cohort?

The browser’s FLoC feature generates a multidimensional mathematical representation of all possible online surfing histories. This model will be referred to as “cohort space.”

This space is divided into thousands of parts by the service. Each segment is a collection of thousands of browser histories that are comparable. These groups aren’t based on any real browsing histories; instead, they’re based on randomly selecting centers in “cohort space” or randomly splitting up the area with random lines.

A cohort number is assigned to each section. The FLoC service provides this information about “cohort space” to the web browser. As a user navigates the web, their browser utilizes an algorithm to compute the location in “cohort space” that most closely matches its own browsing history on a regular basis.

Is it possible for a browser’s cohort to change?

Yes! A browser’s cohort can certainly shift! Your browser’s cohort will reflect the fact that you don’t visit the same websites every week.

A cohort is a collection of browsing activities rather than a group of people. Cohorts are beneficial for ad selection because they aggregate comparable recent browsing behavior, and their activity features are often constant over time. As people’s surfing habits change, their browsers will drift in and out of a cohort. We anticipate the browser recalculating its cohort every seven days at first.

A fresh suggested web technology would normally make its way through mailing lists and W3C conference room debates under normal conditions. It is first supported by the browser vendor who championed it, and then, if the chance is on its side, by other browsers. As a result, unlike in the terrible old days of Internet Explorer 6, the web does not become browser-specific.

Last year, when Google first revealed its intention to restrict third-party cookies, I noted that the debate between browser providers was becoming increasingly heated. It’s only grown more pronounced as Apple, Google, Microsoft, Mozilla, Brave, and other companies have progressed down their different routes.