What is quantserve.com?
quantserve.com is Quantcast, an audience-measurement and advertising company.
AdvertisingOwned by Quantcast, based in San Francisco.
What it does on a page
It measures site audiences and builds profiles used to target ads.
Should you block it?
Blocking it doesn’t break sites.
Also seen as
Quantcast · pixel.quantserve.com
In the Browser Monster Index
40
checked websites loaded Quantcast (from quantserve.com or its other domains).
On 1 it loaded before visitors made any choice.
Other domains Quantcast uses: quantcount.com, quantcast.com.
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