Differentiating First-Party and Third-Party Cookies: Paving the Way to Intelligent Scientific Marketing

January 5, 2024
5:00 min read
Laura Browne
Differentiating First-Party and Third-Party Cookies: Paving the Way to Intelligent Scientific Marketing
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Are you a scientific marketer looking to unravel the mystery behind first-party and third-party cookies, and how these tiny text files could impact your data-driven strategies? Let's dive deep!

🔬 First-Party Cookies

As the name suggests, first-party cookies are handled by your own website or domain. For a marketer dealing in scientific information and products, these cookies are an invaluable asset. They collect critical data such as user behavior analytics, preferred settings including language, and other site functionalities that enhance the user's browsing experience.

Just think — when a user logs into a website, their login data and shopping cart info are stored as first-party cookies. Without these, they'd have to sign in each time, and their cart would reset after each purchase.

🌐 Third-Party Cookies

Managed by external domains, third-party cookies primarily power online advertising and data tracking across multiple websites. For scientific marketers hoping to create targeted ads, such cookies can be particularly insightful.

Suppose a user visits an online store selling consumables, browses variousreagents, but only buys one item. Later, the user may find ads popping for the items they viewed but didn't purchase. This intelligent advertisement is the result of third-party cookies, remaining in their system even after the session ends.

Google Chrome is starting to block third-party cookies. The new feature in Google Chrome has initially been rolled out to 1% of global users, roughly affecting 30 million people. This move is currently considered a test, with plans to eliminate third-party cookies fully in Chrome by the end of this year

🔀 Key Differences

Here's a simplified comparison:

  1. Setter: First-party cookies are set by your own site or scripts. However, third-party cookies are set by external servers or scripts loaded on your site.
  2. Availability: First-party cookies are exclusive to your own domain. Third-party cookies, on the other hand, can be accessed on any site that employs the external server's code.
  3. Browser Support: All browsers support both cookie types, but users can block or delete them. Notably, many browsers now block third-party cookies by default.

The intelligent use of first-party cookies can give scientific marketers an edge, enhancing user experience on site while facilitating targeted outreach offsite.

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