Which of the following facts about Alexa are correct?

Question:Which of the following facts about Alexa are correct?

1.Alexa provides free data on relative website visitor traffic b. Alexa and Quantcast provide information on visitor household incomes c. d.

2.Alexa is biased towards US based traffic

3.Alexa is biased towards US based traffic

4. Quantcast only tracks people who have installed the Quantcast toolbar This is the last question of your test.


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