At Alunta we have decided to createa a dictionary for words and important terms related to running a subcription busniess. You are now reading about “Cookies”.
At Alunta we have decided to createa a dictionary for words and important terms related to running a subcription busniess. You are now reading about “Cookies”.
In short: Cookies are small data files stored on a user’s device by a website to remember information about their visit. In subscription and service businesses, cookies help track user activity, preferences, and authentication, enabling smoother user experiences and data-driven marketing decisions.
Cookies are text files created by a website and saved in the user’s browser. They contain small pieces of information such as session identifiers, user preferences, or tracking tokens. When a user revisits the site, the browser sends the cookie back to the server, allowing the website to recognize the visitor and provide a more personalized experience. Cookies can be either first-party, set directly by the website being visited, or third-party, placed by external services such as analytics or advertising networks.
Each cookie has a name-value pair and may include attributes such as expiration date, domain, and security flags. For example, a session cookie might look like this: session_id=abc123; expires=Wed, 17 Jul 2024 12:00:00 GMT; path=/; secure. Such data allows a subscription platform to identify a logged-in subscriber across multiple pages or visits without requiring repeated authentication.
Cookies are not a financial metric by themselves, but they underpin many measurements critical to subscription businesses. For instance, cookies enable tracking of user sessions that are later aggregated into metrics like Monthly Active Users (MAU) or conversion rates. These numbers feed into broader KPIs such as Monthly Recurring Revenue (MRR) and churn rate.
Consider an example: a SaaS company uses cookies to track trial users. Let’s say 10,000 visitors start a trial and 2,000 convert to paid subscriptions. The cookie data helps attribute conversions to marketing channels, enabling the company to calculate channel-specific CAC:
CAC = Total Marketing Spend per Channel / Number of Paying Customers from that Channel
Without cookies, it would be difficult to track which ad or content piece drove each conversion, making it nearly impossible to optimize marketing spend or forecast Customer Lifetime Value (CLV).
Cookies play a central role in creating seamless user experiences. In subscription models, where recurring engagement drives revenue, ensuring smooth access, personalized communication, and relevant offers is essential. Cookies help maintain session continuity, remember saved preferences, and store personalization data between visits. They also form the backbone of many analytics tools that measure user engagement and retention.
For example, a subscription video platform may use cookies to remember where a user stopped watching an episode. A B2B SaaS provider may use them to keep a logged-in session active between dashboard visits. Over time, this data supports retention analysis, helping reduce churn by identifying behavior patterns that predict cancellations.
Since cookies store personal and behavioral data, their use is regulated by privacy laws such as the EU’s General Data Protection Regulation (GDPR) and California’s Consumer Privacy Act (CCPA). These laws require websites to obtain explicit consent before setting certain types of cookies, especially those used for marketing or analytics. Subscription businesses must therefore implement cookie banners and consent management tools that let users choose what data they allow to be stored.
Best practices include:
Failing to comply can lead to heavy fines and loss of user trust, which ultimately impacts retention and brand perception.
As browsers tighten tracking policies, the reliance on third-party cookies is diminishing. Technologies like first-party data strategies, server-side tracking, and privacy-preserving identifiers are gaining traction. For subscription businesses, this shift presents an opportunity to focus on direct, consent-based relationships with customers. Maintaining accurate attribution and retention analysis may require combining cookie data with CRM or billing system information to maintain continuity in measuring MRR, ARR, and lifetime value without breaching privacy standards.
Cookies will continue to play a vital role in user experience and analytics, but their use must evolve alongside growing expectations for transparency and control. A well-implemented cookie strategy supports compliance while still providing valuable insights to optimize acquisition, engagement, and retention.
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Oliver Lindebod
Co-founder, Alunta
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