In 2025, the end of third-party cookies marks a major turning point in digital marketing. Companies must now adopt new strategies to maintain email engagement. Zero-party data is emerging as the preferred solution to address growing privacy concerns. This transition requires a deep understanding of how to collect and use this data. Established brands are already adapting, illustrating best practices to follow. This article explores in detail the new rules of email engagement in the post-cookie era. Dive into the world of zero-party data and discover how it is revolutionizing personalized marketing.
Table des matières
Why marketers are prioritizing zero-party data
The evolution of data protection regulations, such as the GDPR, has prompted marketers to reconsider their data collection strategies. Zero-party data offers a privacy-conscious alternative, allowing users to voluntarily share their information. Unlike third-party cookies, this data is provided directly by the consumer, thus ensuring better quality and relevance. According to recent studies, 71% of consumers are more likely to share their data if brands use it transparently.
Moreover, trust levels between consumers and businesses are strengthened through the use of zero-party data. They allow for building long-lasting relationships based on transparency and respect for user preferences. For example, platforms like HubSpot and SendinBlue integrate preference management tools that facilitate the collection and ethical use of zero-party data.

Additionally, access to high-quality data enables companies to create more targeted and effective marketing campaigns. Unlike third-party cookies, which often provide superficial and fragmented data, zero-party data offers in-depth insights into consumer preferences and intentions. This superior data quality translates into increased conversion rates and better customer satisfaction.
Zero-party data is also essential for personalizing cross-channel experiences. They allow for synchronizing interactions across different touchpoints, thus offering a consistent and personalized user experience. For instance, a company using ActiveCampaign can integrate the zero-party data collected during an interaction on a website to personalize communications via email and SMS, thereby reinforcing customer engagement and loyalty.
How to effectively collect zero-party data
Collecting zero-party data requires strategic and user-respecting approaches. One of the most effective methods is the use of optimized sign-up forms. By personalizing them to gather additional information, companies can obtain valuable data without burdening the sign-up process. For example, ConvertKit allows adding optional fields to better understand subscriber preferences.
Another powerful tool is the creation of email preference centers, where users can set their preferred frequency and types of content they wish to receive. Mailchimp and Omnisend offer integrated solutions allowing subscribers to customize their preferences, ensuring relevant and targeted communication.
@emyaghnia Kepada pak @PRABOWO SUBIANTO dan mas @Gibran Rakabuming saya mau memperkenalkan pahlawan tergagah saya yaitu yangkung saya, seorang pahlawan indonesia, veteran yang saat ini masih insha Allah sehat. umur nya masha Allah sudah sangat sepuh, dulu di tugaskan di sulawesi untuk berperang melawan penjajah jepang dan belanda, beliau sangat cinta indonesia sampai sampai rumahnya seperti musium, semua tentang indonesia, bahkan foto keluarga lebih sedikit hihi. sampe umur yang menjelang 100 beliau masih hafal lagu kebanggaan kita ???? terimakasih yangkung, saya harap juga sebenernya bisa di notice sama pak Prabowo dan juga mas Gibran kerja keras veteran bisa di kenang dan di beri apresiasi lebih ????
♬ sonido original – Magdiel Villa
Interactive tools, such as polls and quizzes, are also effective for collecting zero-party data. By offering playful interactions, companies can gather information while engaging users positively. For example, GetResponse provides integrated quiz creation features that allow for real-time data collection while enhancing user engagement.
Finally, integrating chatbots and automated customer service can enrich data collection. These tools analyze conversations to extract relevant information while providing personalized assistance. Platforms like Constant Contact integrate chatbots capable of asking targeted questions and gathering data without disrupting the user experience.
Best practices for using zero-party data
Once zero-party data is collected, it is crucial to use it effectively and ethically. Transparency is key to maintaining user trust. Informing customers about how their data will be utilized and respected enhances the brand’s credibility. For instance, AWeber offers clear and detailed consent options, allowing users to fully understand the use of their data.
Personalization of communications is another essential practice. By using zero-party data, companies can create highly personalized messages that resonate with the specific needs and interests of users. For instance, Campaign Monitor allows for audience segmentation based on defined preferences, thus offering more relevant and engaging campaigns.

Automation also plays a crucial role in utilizing zero-party data. Platforms like HubSpot and SendinBlue offer advanced automation features that allow for triggering campaigns based on specific behaviors and preferences. This approach ensures that every interaction is timely and relevant, thus improving conversion rates and customer satisfaction.
Finally, it is important to regularly update data to ensure its relevance and accuracy. User preferences may evolve, and it is essential to reflect these in communication strategies. Tools like Piktochart facilitate continuous updates of customer profiles, thus ensuring personalization that is always aligned with user expectations.
Challenges in collecting and using zero-party data
Despite its many advantages, collecting and using zero-party data presents some challenges that companies must overcome. One of the main obstacles is user reluctance to share personal information due to fears of misuse. To counter this, establishing transparent communication and ensuring data privacy is essential. Omnisend offers consent management tools that reassure users about how their data will be used.
Another challenge is the technical complexity related to integrating zero-party data into existing systems. Companies often need to invest in advanced technologies and train their teams to manage and effectively leverage this data. Solutions like ActiveCampaign offer easy integrations with various marketing tools, thus simplifying the process of data collection and utilization.
@oliwiaratyska Sweet challenge activated ✨ Keep tagging me under your videos ❤️???? DC: me #fyp #viral #dance #sweetmelody #nigeria
♬ My Darling – Chella
Data security is also a major concern. Protecting user information from breaches and unauthorized access is crucial to maintaining trust. Platforms such as SendinBlue implement robust security measures to ensure that zero-party data is stored and processed securely.
Finally, companies must address data quality management. Ensuring that collected data is accurate and up to date is essential to maximize its usefulness. Using data management tools allows for cleaning and validating information, ensuring that marketing campaigns are based on reliable insights.
Essential tools for managing zero-party data
To fully leverage zero-party data, it is essential to use the right tools. Platforms like HubSpot, Mailchimp, and SendinBlue offer comprehensive solutions for collecting, managing, and analyzing zero-party data. These tools allow for the automation of data collection processes while ensuring their quality and security.
HubSpot stands out for its advanced segmentation and personalization features, allowing marketers to create targeted campaigns based on precise data. Mailchimp, on the other hand, offers intuitive tools for preference management and campaign automation, thereby facilitating large-scale personalization.

SendinBlue and GetResponse also offer robust solutions for collecting and using zero-party data, with specific features for multichannel marketing. These platforms make it easy to integrate data collected through various touchpoints, ensuring a cohesive overview of user preferences.
Other tools like AWeber and Constant Contact are also recognized for their effectiveness in managing campaigns based on zero-party data. They offer detailed reporting features that help companies analyze the performance of their campaigns and adjust their strategies accordingly.
Finally, emerging platforms like Omnisend and ConvertKit stand out for their ability to integrate zero-party data into omnichannel engagement strategies, allowing for even finer personalization and enhanced user experience.
Examples of brands succeeding with zero-party data
Many brands have already successfully adopted zero-party data, demonstrating its effectiveness in improving email engagement and customer loyalty. For example, Sephora uses restock alerts to collect data on customer communication preferences, allowing it to personalize notifications and promotional offers.
Another notable success is that of Frank Body, which has integrated skin quizzes on its website to collect detailed information about its customers’ needs. This data allows the brand to personalize product recommendations and send targeted offers via email and SMS, thus increasing conversion rates and customer satisfaction.

Virgin Atlantic also uses zero-party data to enhance its customer service. By sending post-purchase follow-ups soliciting feedback and testimonials, the airline collects valuable information while strengthening the relationship with its customers through personalized and attentive communication.
On the other hand, companies like Canva have managed to integrate progressive data collection into their onboarding process, allowing for a personalized user experience from the very first interactions. By asking relevant questions as the platform is used, Canva keeps users engaged while enriching its databases.
These examples illustrate how zero-party data can be used strategically to create meaningful and personalized interactions while respecting user privacy and preferences.
By adopting zero-party data, companies not only comply with new regulations but also pave the way for more authentic and effective communication. Zero-party data enables a deep understanding of customer needs, thus facilitating the creation of truly personalized and engaging marketing campaigns. By investing in appropriate data collection and management tools, businesses can not only improve their marketing performance but also strengthen trust and loyalty among their customers.