In recent years, the digital marketing industry has been undergoing radical changes. A key factor has been the gradual phasing out of third-party cookies—files that track user behavior across websites and enable personalized ad campaigns. Between 2020 and 2024, major tech companies like Google and Apple announced plans to restrict or completely eliminate third-party cookies.

This trend creates new challenges for marketers: how to collect, analyze, and use user data without relying on familiar tools? What alternatives exist for building effective strategies in the cookie-less era? And how can businesses prepare for the new realities of digital marketing?

In this article, we'll dive deep into these questions, explore modern data collection approaches, and highlight tools and practices that help businesses stay competitive with limited access to third-party cookies.

Why Are Third-Party Cookies Disappearing?

First, it's important to understand why the industry is moving away from third-party cookies:

• User privacy: Modern users care more about their privacy. Regulations like GDPR (General Data Protection Regulation) and CCPA (California Consumer Privacy Act) require transparency and consent for data collection.
• Technological restrictions: Browsers are starting to block third-party cookies by default. For example:
  • Safari (Apple) uses Intelligent Tracking Prevention (ITP), which limits third-party cookies.
  • Mozilla Firefox has implemented Enhanced Tracking Protection.
  • Google Chrome, the largest browser, has announced a complete phase-out of third-party cookies by 2024.
• Regulatory response: Legislation is tightening control over data collection and demanding stricter rules.

These factors are forcing marketers to find new ways to gather information and deliver personalized offers.

What Challenges Does the Cookie Phase-Out Create?

The removal of third-party cookies impacts every stage of the marketing funnel:

• Targeting and segmentation: It's harder to precisely define audiences and show relevant ads.
• Performance tracking: It's harder to link ad campaigns to conversions and ROI.
• Personalization: Without behavioral data, creating personalized experiences becomes difficult.
• Retargeting: Opportunities to re-engage visitors shrink.

This calls for a rethink of strategies and the search for new solutions.

Key Alternatives for Data Collection in the Cookie-Less Era

Despite the limitations, there are many methods and technologies to collect and use data without third-party cookies:

1. First-Party Data

This is information that a business collects directly from its customers or website visitors:

• Registration forms
• On-site behavioral data
• Purchases and transactions
• Newsletter subscriptions
• App interactions

The advantage is high accuracy and relevance. However, the volume of such data may be limited.

2. Contextual Targeting

Unlike behavioral targeting, which relies on individual profiles, contextual targeting focuses on page content or user environment:

• Ads are shown based on page topic
• Keywords and content categories are used
• No cross-site tracking required

This is a legitimate way to serve relevant ads without collecting personal data.

3. Cohort-Based Targeting

Technologies like Google Topics API group users by interests or characteristics without identifying individuals:

• Users fall into categories (e.g., interested in sports)
• Advertisers show ads to these categories

This balances personalization and privacy.

4. Event-Based Tracking

Using on-site or in-app events to gather information about user actions:

• Page views
• Button clicks
• Add-to-cart actions
• Form submissions

This data helps understand behavior without identifying specific individuals.

5. ID Solutions

Tools like Unified ID 2.0 or IDFA (for mobile devices) create anonymous identifiers based on user consent or other methods.

New Technologies and Standards for Cookie-Less Marketing

Modern platforms are developing standards to work without third-party cookies:

1. Google Privacy Sandbox

Google is developing a set of APIs to replace third-party cookie functions:

• Topics API—determines user interests based on recent browsing behavior.
• FLEDGE API—enables ad attribution without tracking individual users.
• Conversion Measurement API—measures campaign effectiveness without cookies.

The goal is to maintain ad effectiveness while respecting privacy.

2. Apple SKAdNetwork

Apple's mobile platform provides an API for app install attribution without collecting personal user data.

3. Data Clean Rooms

These are secure environments for data sharing between companies while preserving confidentiality:

• Shared use of aggregated data
• Joint campaign analytics
• User privacy protection

Examples include Google Ads Data Hub and Snowflake Data Cloud.

Practical Strategies for Adapting Marketing to the Cookie-Less Era

To thrive in the new landscape, businesses need to implement comprehensive measures:

1. Strengthen First-Party Data Collection

Create incentives for users to share their data:

• Offer valuable bonuses for registration
• Use loyalty programs
• Ensure transparency in data usage
• Implement subscription forms, surveys, and chatbots

2. Invest in Contextual Advertising

Shift focus to contextual targeting—it doesn't rely on cookies and ensures ad relevance.

3. Use Machine Learning for Predictions

Train models on existing data to forecast customer behavior without tracking every action.

4. Develop Your Own Customer Engagement Platforms

Create mobile apps, loyalty programs, and subscription services—these are sources of first-party data.

5. Implement Consent Management Platforms

Ensure transparency in data collection and obtain user consent in line with regulations.

6. Leverage Aggregated Analytics Tools

Tools like Google Analytics GA4 are designed for first-party data and offer new ways to measure performance.

Case Studies: Successful Adaptation to the Cookie-Less Era

The shift to a world without third-party cookies has been a real challenge for many companies striving to maintain effective marketing strategies. However, some businesses have already found effective solutions and successfully adapted. In this section, we'll look at real cases that demonstrate how companies use innovative approaches, technologies, and tools for data collection, audience segmentation, and improving ad campaign performance without relying on third-party cookies. These examples serve as inspiration and practical guidance for those seeking ways out of the current situation and wanting to stay competitive with limited data access.

Case 1: E-commerce Platform Uses Contextual Targeting

A company switched from behavioral targeting to a contextual advertising approach via Google Topics API. As a result, CTR increased by 20%, and acquisition costs dropped thanks to more relevant ads.

Case 2: Brand Launches Loyalty Program with Its Own App

Users share data through the app in exchange for purchase bonuses. This allowed the brand to collect high-quality first-party data for audience segmentation and personalized offers.

Key Takeaways

The cookie-less era requires rethinking how we collect and use data in marketing. Strategies should rely on legal data sources—first-party data; use contextual targeting; adopt new API standards; develop direct communication channels with customers; and leverage modern analytics and machine learning technologies.

The key is to balance ad effectiveness with respect for user privacy. Companies that adapt to the new realities today will gain a competitive edge tomorrow.

Conclusion

Marketing in the cookie-less era is a challenge, but also an opportunity to get closer to customers through honest interaction and innovative solutions. Building trust with your audience becomes a critical success factor in the new digital reality.

Be ready to experiment with new tools, keep an eye on industry standards, and never forget the importance of transparency when handling data!