What does pubmatic.com track?
Before any consent, pubmatic.com 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.
Scanned October 2, 2026 from Germany, loading pubmatic.com once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 2
- Third-party hosts
- 11
- Cookies in total
- 9
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
2 of the 6 companies it contacted before consent were content delivery companies.
- Google Analytics1 requestAnalytics
www.googletagmanager.com
Other third parties (content delivery, consent, functional, unclassified)
- thenai.org1 requestUnclassified
thenai.org
- Ketch7 requestsConsent banner
global.ketchcdn.com, cdn.ketchjs.com
- Vimeo14 requestsFunctional
player.vimeo.com, f.vimeocdn.com, i.vimeocdn.com, vimeo.com
- Cloudflare2 requestsContent delivery
cdnjs.cloudflare.com
- Amazon Web Services2 requestsContent delivery
d3m889aznlr23d.cloudfront.net
Cookies set before consent
The longest-lived tracking cookie it set was _swb, from Demandbase, lasting about 13 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| _swb | Analytics | pubmatic.com | 13 months |
| vuid | Analytics | vimeo.com (third party) | 13 months |
| __cf_ob | Unclassified | player.vimeo.com (third party) | Session |
| __cf_bm | Functional | thenai.org (third party) | Under a day |
| __cf_bm | Functional | vimeo.com (third party) | Under a day |
| cf_clearance | Functional | vimeo.com (third party) | 12 months |
| PHPSESSID | Functional | pubmatic.com | Session |
| _ketch_consent_v1_ | Necessary | pubmatic.com | 13 months |
| _swb_consent_ | Necessary | pubmatic.com | 7 days |
The page also wrote 3 keys to local storage, which works like a cookie but isn't sent with requests.
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.