CPM is an abbreviation for cost per thousand impressions. CPM is used to measure the cost of online advertising campaigns, where each impression [1] is an appearance of an ad on a web page.
CPM is an abbreviation for cost per thousand impressions. CPM is used to measure the cost of online advertising campaigns, where each impression [1] is an appearance of an ad on a web page.
Links:
[1] http://www.wordstream.com/impression