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What Are Third-Party Cookies and How They Work In Digital Marketing

A pile of 3 cookies

Cookies have evolved into a necessary component of the internet throughout time. Even has become the most widely used means of online user identification, allowing for a more personalized surfing experience.

However, because of consumers' ongoing concerns about privacy and the implementation of legislation such as the GDPR, website owners are being urged to educate users about what a cookie is, how it is used, and how it works.

Third-Party Cookies: What Are They?

When you visit a website, it saves information in the form of cookies on your computer.

They assist websites in remembering information about you via your browser. Cookies may be used by websites to keep track of your recent online behavior and preferences.

Cookies can be used to track log-in information, page views, and products that have been checked out and placed in the checkout process. Cookies can retain your details and even save your data long after you leave a page.

Cookies are utilized in advertising operations such as client profiling and retargeting because of their inherent capability. Third-party cookies are what they're called.

What are third-party cookies, and what do they do? Let's take a closer look at the definition to get a better understanding.

Cookies created by websites other than the one you're viewing are known as third-party cookies.

These are cookies that are incorporated by a domain name that is not the same as the web domain or page wherein the cookie is received.

For advertising purposes, third-party cookies are frequently installed on a website using scripts or tags.

Advertisers can monitor a user across several platforms by inserting tags from a third-party website to a web page.

How Does Third-Party Cookies Work

Third-party cookies act as a tracker, following users across the internet when they visit different websites. Cookies are not completely removed even if you exit the internet browser after surfing.

Unless you remove your browsing history, it can track you to those other websites you visit.

Online advertising frequently uses third-party cookies. Marketers, advertisers, and social media sites utilize them to promote brands, increase conversions, and expand their businesses.

If a website is showing you advertisements, you can see right away if it is using third-party cookies.

When you visit a website that uses third-party cookies, it will display you adverts based on prior sites you've visited or even ads you've clicked.

When you visit a website, such as an eCommerce site, you can see third-party cookies at work. You have a look at many of its products but decide not to buy just yet.

You check into Facebook a few days later. You come upon an advertisement for an eCommerce website that you have previously visited.

You're puzzled as to why they're so up to speed on you because they knew what you did the last time you went online.

That's how clever the algorithm for third-party cookies is.

Cookie Types: Third-Party vs. First-Party

Both first-party and third-party cookies have the very same goal of tracking user behavior. However, they differ mostly in terms of who developed the cookies and how they gather and use data.

A first-party cookie is a standard cookie set generated by the website you're visiting right now. It is saved immediately by the page you are visiting.

This sort of cookie enables webmasters to gather analytics data and do other functions that improve the user experience.

A user is normally requested to fill into a website when using first-party cookies. The data file is subsequently saved to the user's computer under the URL or website being accessed by the browser.

If first-party cookies are disabled, users will be required to sign in each time they access the site.

In contrast, a third-party cookie is a javascript inserted cookie from a third-party webpage.

It's a cookie that was produced by a separate site or domain from the one you're currently browsing. A third-party server is in charge of setting it.

Do Third-Party Cookies Pose a Risk

Are third-party cookies really so awful, especially with so many people demanding data privacy from site owners? Do they pose a security threat?

Third-party cookies, like regular cookies, aren't entirely terrible.

The objective of third-party cookies is to create a positive user experience by sharing relevant information to the users through adverts, not to constitute a security concern.

Third-party cookies are extremely useful not just for business owners trying to close a transaction, but also for customers looking for something specific.

Companies will be able to evaluate their consumers' demands and deliver the proper answer to their problems using third-party cookies.

Although third-party cookies could be beneficial to certain users, they are also viewed as a danger to their privacy by others. Several people have found the cookies unsettling since they track them throughout the internet.

Many people consider third-party cookies to be a breach of their privacy.

It resulted in the introduction of privacy legislation such as the CCPA and GDPR, which provide users control over their browser activity, particularly cookies that monitor them.

Users now have the option of allowing or disallowing cookies to track them when visiting a website, thanks to existing privacy legislation. Users are also safeguarded against data breaches.

Is it possible to disable third-party cookies? Examine Your Browser!

While web browsers like Mozilla and Safari automatically reject third-party cookies, Chrome Browser currently allows them by default, while announcing that they will be blocked in 2022.

You can modify your Google Chrome browser settings to prevent third-party cookies from monitoring your online behavior by navigating to Privacy and Security.

You can choose to disable all cookies or only third-party cookies.


Advertisers and customers both benefit from third-party cookies. Understanding how advertising technology works is essential for gaining a better understanding of internet advertising and privacy.

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