Cookies have been part of the web since the mid-1990s, long before streaming, smartphones, or social media. They were created as a simple tool to help websites remember things, and for years they worked quietly in the background with most people never knowing they even existed. But that changed when privacy laws began requiring websites to ask for permission before using certain kinds of cookies, which is why those consent banners now greet you almost everywhere you go online. But why are they necessary? What are cookies and how do they work? And what about them triggered concerns for our privacy?
Put simply, a cookie is a tiny text file that a website stores in your browser. It isn’t a program and can’t run code or spread on its own; it’s more like a sticky note the site leaves behind so it can recognize you later. Some cookies last only until you close your browser, while others stay for days or months so the site can keep track of your preferences. When you return, your browser sends those cookies back to the site, allowing it to pick up where you left off.
Websites use cookies for lots of things, some of which are essential in order for sites to function correctly. They allow websites to remember us when we login; they maintain our preferences for things like displaying dark mode; and they preserve the items in our shopping carts while we browse. Other cookies are used for analytics, helping site owners understand which pages people visit and how long they stay. The most controversial category is tracking cookies, which follow your activity across multiple websites to build a profile of your interests. That profile is often used for targeted advertising, and it’s this type of tracking that sparked most of the modern privacy concerns.
The reason you now see so many “accept cookies” banners comes down to regulation. Laws like the California Consumer Privacy Act (CCPA) in California and the General Data Protection Regulation (GDPR) in Europe require websites to be transparent about the data they collect and, in many cases, to obtain explicit consent before using tracking technologies. Rather than redesigning their systems from the ground up, many sites added a pop-up that asks for permission. It’s a straightforward way to comply with the law, even if it interrupts the browsing experience.
These banners have become so common that many people click through them without reading the details. That’s part of the challenge: a system meant to give users more control can end up encouraging quick, unthinking decisions simply to get the message out of the way. Some sites make declining tracking easy, while others hide the option behind several layers of menus. The result is a mix of good intentions, legal requirements, and design choices that don’t always align with what users want.
Luckily, there are signs that this situation may improve. Browsers are beginning to block certain types of tracking by default, which reduces the need for constant consent prompts. At the same time, the industry is moving away from third-party cookies toward alternatives that aim to protect privacy without relying on cross-site tracking. If these changes continue, the web may eventually feel less cluttered and more respectful of user preferences.
Steve Shannon has spent his entire professional career working in tech. He is the IT Director and Lead Developer at PromoCorner, where he joined in 2018. He is, at various times, a programmer, a game designer, a digital artist, and a musician. His monthly blog "Bits & Bytes" explores the ever-evolving realm of technology as it applies to both the promotional products industry and the world at large. You can contact him with questions at steve@getmooresolutions.com.