Cookies & similar technologies
Last updated: 5 October 2026
We only use strictly necessary cookies. There are no advertising, tracking or analytics cookies and no external fonts, maps or videos – so no cookie banner is required.
| Cookie | Purpose | Lifetime |
|---|---|---|
| yo_books | Sign-in to YadenOne Books, security token (CSRF) | Session |
| ledgermark_freelancer_session | Sign-in to the freelancer portal | Session |
| invoicepro_session | Administrator sign-in (admins only) | Session |
| yadenone_lang | Stores the selected language (DE/EN) | 1 year |
Legal basis: legitimate interest in a secure and functioning service (Art. 6(1)(f) GDPR / UK GDPR) and strictly-necessary technologies.