GumGum
AdvertisingGumGum loaded on 13 sites in our October 2026 scan: 1% of the 2,450 most-visited sites we checked, before any visitor had given consent.
Category: Advertising. A company can do several jobs; this is its main role on the pages we saw.
Its cookies typically last about 12 months. Only 46% of the sites where it loaded had a consent banner visible at all. It's especially common on .jp sites: 5% of them load it, versus 1% of all sites we scanned.
Often loaded alongside
Sites that load GumGum most often also load Google Ads (100%), ID5 (85%), Magnite (85%), PubMatic (85%), and Amazon Advertising (77%).
Domains it loads from
- g2.gumgum.com
- usersync.gumgum.com
- rtb.gumgum.com
- js.gumgum.com
Cookies
- vst3 sites
Sites that load GumGum
The highest-ranked 13 of 13 sites.
- amazon.com33 tracking companies
- amazon.co.za32 tracking companies
- fandom.com3 tracking companies
- amazon.com.mx34 tracking companies
- tenki.jp27 tracking companies
- gamespot.com8 tracking companies
- aarp.org30 tracking companies
- ctvnews.ca38 tracking companies
- amazon.ae32 tracking companies
- dictionary.com35 tracking companies
Show 3 more sites
- amazon.sa32 tracking companies
- nine.com.au11 tracking companies
- nifty.com32 tracking companies
Understanding this page
- What the tracker categories mean
What "advertising," "analytics," "social," "consent" and the rest actually mean for a company or a cookie, and how CookieTosser decides which one applies.
- First-party vs third-party cookies (and why "first-party" still tracks you)
What the distinction actually means technically, why browsers only block one of the two, and how CNAME cloaking, server-side tagging and cookies like _ga let sites keep tracking under their own domain.
- How to block or limit trackers
Browser privacy settings, content blockers, Global Privacy Control and clearing cookies compared honestly — what each one actually stops, what it doesn't, and what it costs you in return.