What is amazon-adsystem.com?
amazon-adsystem.com is Amazon Ads’ ad-serving domain, used both for Amazon’s own ads and for its publisher services that run ad auctions on other sites.
AdvertisingOwned by Amazon Ads (Amazon), based in Seattle.
What it does on a page
It runs header-bidding auctions for ad space, serves ads and measures them. Amazon can use its shopping data to decide which ads you see.
Should you block it?
Blocking it doesn’t break sites.
Also seen as
aax.amazon-adsystem.com · c.amazon-adsystem.com · Amazon Publisher Services
In the Browser Monster Index
45
checked websites loaded Amazon Ads (from amazon-adsystem.com or its other domains).
On 15 it loaded before visitors made any choice, and on 7 it was still seen after we clicked reject.
Other domains Amazon Ads uses: assoc-amazon.com, aax.amazon-adsystem.com.
See when Amazon Ads is watching you
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