What does loc.gov track?
Before any consent, loc.gov loaded 1 tracking company and set 11 advertising or analytics cookies.
That's fewer tracking companies than most sites we scanned: 75% of the 2,450 sites we checked loaded more.
Scanned October 2, 2026 from Germany, loading www.loc.gov once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 11
- Third-party hosts
- 4
- Cookies in total
- 14
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
- Adobe8 requestsAnalytics
assets.adobedtm.com, dpm.demdex.net, unitedstateslibraryofcongress.demdex.net, cm.everesttech.net
Cookies set before consent
The longest-lived tracking cookie it set was AMCV_0D15148954E6C5100A4C98BC%40AdobeOrg, from Adobe, lasting about 13 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| AMCV_0D15148954E6C5100A4C98BC%40AdobeOrg | Advertising | loc.gov | 13 months |
| AMCVS_0D15148954E6C5100A4C98BC%40AdobeOrg | Advertising | loc.gov | Session |
| demdex | Advertising | demdex.net (third party) | 6 months |
| dpm | Advertising | dpm.demdex.net (third party) | 6 months |
| everest_g_v2 | Advertising | everesttech.net (third party) | 12 months |
| s_ecid | Advertising | loc.gov | Session |
| s_cc | Analytics | loc.gov | Session |
| s_plt | Analytics | loc.gov | Session |
| s_pltp | Analytics | loc.gov | Session |
| s_ppv | Analytics | loc.gov | Session |
| s_tp | Analytics | loc.gov | Session |
| campaign-modal | Unclassified | www.loc.gov | 3 days |
| s_ips | Unclassified | loc.gov | Session |
| s_ptc | Unclassified | loc.gov | Session |
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.