Encyclopedia > Q > Quantcast
Quantcast
Quantcast Corporation is an open Internet ratings service that compiles data on websites. The company offers free psychographic and demographic data about audiences including age, gender, income, ethnicity and other information.
Information are taken from Wikipedia, the open encyclopedia, to which contribute many volunteers from around the whole world. Texts are available under the following conditions GNU Free Documentation License.
Encyklopedie (cz) Encyklopédia (sk) Enzyklopädie (de)