---
title: "Features · Feature League"
description: "All website and app features broken down so far: how many EU laws apply to each and what to watch in design and code."
url: https://featureleague.com/en/features
language: en
---

# Features

Every feature on one page. Pick a platform or a law, or open a breakdown. A new one comes every week.

- [Website chatbot5 lawsThe window in the bottom right corner that answers customers. Since August 2026 it has to introduce itself as AI, and people type more personal data into it than you think.](https://featureleague.com/en/features/chatbot)
- [Withdrawal button4 lawsA new mandatory feature of every online shop and app that sells at a distance. In the EU from June 2026, in Czechia from January 2027. Two buttons and a confirmation with date and time.](https://featureleague.com/en/features/withdrawal)
- [Cookie banner3 lawsOnly three laws, but the most fines. What matters is not how the banner looks, but what the browser sends over the network before anyone clicks.](https://featureleague.com/en/features/cookie-banner)

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Mgr. Karel Navrátil, attorney-at-law (Czech Bar Association No. 21034, company ID 19839448), Korunní 810/104, 101 00 Prague 10 · advokat@navratilkarel.com  
For AI agents: https://featureleague.com/en/agent.md  
The texts are general information, not legal advice on a specific matter.