# Privacy and consent guides

> What analytics needs consent under GDPR and ePrivacy, what cookieless tracking can and cannot do, and how browsers limit tracking today.

Source: https://datacenter.so/guides/privacy

Analytics can be useful without following people around. These guides explain what needs consent, what usually does not, and how browsers already limit tracking.

- [Cookieless analytics and GDPR: what needs consent, and what usually does not](https://datacenter.so/guides/cookieless-analytics-gdpr.md): Do you need a cookie banner for analytics? How ePrivacy, the GDPR, the CNIL exemption and the UK change of 2026 apply to cookieless and cookie tracking.
- [iOS and Safari tracking changes, version by version](https://datacenter.so/guides/ios-safari-tracking-changes.md): What Apple's Link Tracking Protection, ITP, App Tracking Transparency and Safari 26 remove, where each applies, and what still works for ad tracking.
- [First-party data for small businesses: what to collect and why](https://datacenter.so/guides/first-party-data.md): The first-party data worth collecting, from orders and emails to how did you hear, what each is for, what to leave out, and the consent rules that apply.