Cookie lišta na e-shopu: Časté chyby a jak je opravit.

Cookie bar

14. 10. 2025
Posted by Lukas Krystek

Cookie bar on e-shop: common mistakes and how to fix them

Cookie bar. A subtle, yet extremely important thing that every e-shop must have. But while some sites have it in their grasp, others are still puzzling over it - or they'll just blow it off 🥶. And that can mean not only confused users, but also "trouble" with the authorities (yes, the OOOO doesn't bite, but it can give fines).

In this article, we'll look at the most common mistakes that e-shops make in the cookie bar - both from a legal and UX perspective - and, most importantly, we'll advise you on how to easily fix them.

Legal errors

Many e-shops set the consent to cookies as "active" - for example, by the cookie bar containing only an "I agree" button without a choice. This is contrary to the Regulation ePrivacy and GDPR. The user must have a real choice.

Recommendation: Ensure that the user can choose between "Agree", "Decline" and "Settings". Load active cookies only after selection.

E-shops often run analytics or marketing scripts (e.g. Google Analytics, Facebook Pixel) before the user has given consent. This is a violation of the "opt-in" principle.

Recommendation: Deploy cookie scripts only after active consent. For example, at PromoGEN we use the Cookiebot consent manager, which complies with all legal regulations and UX principles.

Many cookie bars simply state in general terms that "this website uses cookies to improve your experience" - without categorising or detailing what data it actually collects.

Recommendation: Ideally, you should divide cookies into categories - essential, analytical, marketing - and indicate the specific tools you use (e.g. "Google Analytics", "Hotjar").

Some e-shops don't have a separate page with a cookie policy at all, or have outdated text without the current tools they actually use today.

Recommendation: Create or update a cookie policy page. Link it to the cookie bar - the link should be easy to follow.

UX mistakes: when the bar drives customers away

A large and persistent cookie bar that covers half the screen or hinders the use of the site is a UX nightmare. It leaves the user frustrated rather than informed.

Recommendation: Choose a subtle design that is unobtrusive, yet easy to read and clear.

Buttons like "OK", "Close" or "More info" instead of a clear "Agree" / "Decline" make it difficult to navigate and look untrustworthy.

Recommendation: Use clear and understandable text - the user must know what they are doing. Ideally, use:

"Accept everything"
"Refuse everything"
"Cookie settings"

Users should be able to modify their consent at any time - for example, in the footer of the website. However, this option is often completely missing.

Recommendation: Add the "Edit cookie settings" link to the footer of the site or to the user's account.

Summary: How to get the cookie bar right

✅ Legally, it's fine:

Real opt-in (not automatic consent)
No cookies without consent except for necessary
Clear breakdown of cookies and specific description of tools
Cookie policy page

✅ User-friendly:

Doesn't interfere with content
Clear and understandable buttons
Ability to change the option at any time
.

Do you want to have everything set up correctly? Call us.

If you do not want to deal with cookies yourself, we will be happy to process the cookie bar for you. Clearly, correctly and functionally.

For those who want to set it up themselves, we recommend trying Cookiebot - a tool that automatically detects cookies, generates clear policies and ensures that your e-shop is GDPR and ePrivacy compliant.

We wrote about how to technically set up data collection and consent for use in campaigns and targeting in previous article on our blog.