Summary  
This chapter covers using HTTP cookies and tracking pixels to store and collect user behavior data and implementing consent management flows to respect user privacy choices.

General domain of usage  
Web analytics and digital marketing

**Cookies** are small data files that websites store on your device to remember things about you.

Definition

#### Functional Cookies (Helpful)
- Remember your login so you don't re-enter passwords;
- Keep items in your online shopping cart;
- Save your preferred settings (language, dark mode, etc.)
#### Tracking Cookies (Personalized but invasive)
- Follow your browsing behavior across different websites;
- Build a profile of your interests;
- Power targeted ads (e.g., you click one backpack → backpacks chase you around the internet).

A **pixel** is a tiny, invisible image embedded in a website or email that sends information back to a company when it loads. Pixels track whether you opened an email, what pages you visited, how long you stayed on a website, and which device you used.

What is the main purpose of a cookie banner?

A practical guide to operating responsibly in digital advertising and marketing — covering the regulations that govern data collection, the systems that protect consumer privacy, the risks that come with programmatic media, and the organisational structures that keep brands compliant and credible. Built for professionals who need more than theory: every section moves from concept to application, ending with the tools, frameworks, and decision-making skills to handle real compliance challenges in the field.

The rules, frameworks, and core concepts that define how organisations handle personal data — from global regulations to the practical policies governing digital advertising.

How data moves through an organisation, how it must be protected, and what individuals are entitled to expect from the businesses that hold their information.

The risks that come with operating in digital media, how to control where a brand appears, and how to respond when something goes wrong.

Putting it all together — auditing what exists, building the culture and systems to sustain it, and staying ahead of what comes next.

Digital Tracking Tools

Functional Cookies (Helpful)

Tracking Cookies (Personalized but invasive)