Opera Ads
AdvertisingOpera Ads loaded on 25 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. On 72% of the sites where it loaded, a consent banner was already present but hadn't been answered yet. It's especially common on .jp sites: 10% of them load it, versus 1% of all sites we scanned.
Often loaded alongside
Sites that load Opera Ads most often also load Google Ads (100%), BidSwitch (96%), Google (96%), Xandr (Microsoft) (96%), and AdMan Media (92%).
Domains it loads from
- t.adx.opera.com
- t.oa.opera.com
Cookies
- OAU24 sites
Sites that load Opera Ads
The highest-ranked 25 of 25 sites.
- globo.com24 tracking companies
- terra.com.br23 tracking companies
- vnexpress.net14 tracking companies
- playhop.com6 tracking companies
- oricon.co.jp36 tracking companies
- haberler.com14 tracking companies
- syosetu.com24 tracking companies
- 24h.com.vn20 tracking companies
- kakuyomu.jp18 tracking companies
- chordtela.com34 tracking companies
Show 15 more sites
- animanch.com22 tracking companies
- politico.com31 tracking companies
- hatena.ne.jp19 tracking companies
- hindustantimes.com36 tracking companies
- idnes.cz42 tracking companies
- asahi.com41 tracking companies
- ctvnews.ca38 tracking companies
- nicovideo.jp24 tracking companies
- myanimelist.net20 tracking companies
- japantimes.co.jp32 tracking companies
- rediff.com42 tracking companies
- kakaku.com22 tracking companies
- infoseek.co.jp22 tracking companies
- nifty.com32 tracking companies
- eleconomista.es24 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.