What does bnf.fr track?
Before any consent, bnf.fr loaded 1 tracking company and set 2 advertising or analytics cookies.
That's fewer tracking companies than most sites we scanned: 75% of the 2,450 sites we checked loaded more. That's right in line with other .fr sites we scanned: the typical one among 23 sites also loaded 1 tracking company.
Scanned October 2, 2026 from Germany, loading www.bnf.fr/fr once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 2
- Third-party hosts
- 8
- Cookies in total
- 3
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
1 of the 4 companies it contacted before consent were analytics companies.
- AT Internet (Piano)2 requestsAnalytics
tag.aticdn.net, logs.xiti.com
Other third parties (content delivery, consent, functional, unclassified)
Cookies set before consent
The longest-lived tracking cookie it set was atuserid, from AT Internet (Piano), lasting about 13 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| atidvisitor | Analytics | www.bnf.fr | 6 months |
| atuserid | Analytics | www.bnf.fr | 13 months |
| tarteaucitronbnf | Unclassified | www.bnf.fr | 1 day |
Understanding this page
- How to see which cookies and trackers a website loads
A hands-on walkthrough for checking what a site sets before you've clicked anything, using Chrome and Firefox's built-in tools, plus how CookieTosser automates the same check every month.
- What counts as valid cookie consent in the EU
The rules that actually govern cookie banners — the ePrivacy Directive, the GDPR consent standard, the Planet49 ruling, the strictly-necessary exemption, and what "reject" has to offer compared with "accept.
- Consent management platforms explained
What a CMP banner is actually doing behind the scenes, how the IAB's TCF standard and Google's Consent Mode v2 fit in, and why a banner being present is no guarantee that nothing loads before you answer it.