What does cdc.gov track?
Before any consent, cdc.gov loaded 2 tracking companies and set 0 advertising or analytics cookies.
That's fewer tracking companies than most sites we scanned: 56% of the 2,450 sites we checked loaded more.
Scanned October 2, 2026 from Germany, loading www.cdc.gov/index.html once and clicking nothing. How we scan
- Tracking companies
- 2
- Tracking cookies
- 0
- Third-party hosts
- 2
- Cookies in total
- 9
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
2 of the 2 companies it contacted before consent were analytics companies.
- Digital Analytics Program (DAP)1 requestAnalytics
dap.digitalgov.gov
- Google Analytics1 requestAnalytics
www.googletagmanager.com
Cookies set before consent
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| _cdc_occ | Unclassified | cdc.gov | Under a day |
| _cdc_ppn | Unclassified | cdc.gov | Under a day |
| _cdc_ppu | Unclassified | cdc.gov | Under a day |
| _cdc_sid | Unclassified | cdc.gov | Under a day |
| _cdc_test_c | Unclassified | cdc.gov | Session |
| _cdc_vid | Unclassified | cdc.gov | 12 months |
| _cdc_vnum | Unclassified | cdc.gov | 12 months |
| akamai_visit_id | Unclassified | cdc.gov | 12 months |
| Akamai-Request-ID | Unclassified | cdc.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.