Cost per Thousands

Cost per thousands or cpm is a method to calculate the web impression according its ad program ,Like advertiser say's that is cost per impression is 5 cents so their cost per thousands is likely to be 5 thousands cents .like publisher say that are they are offered by the ad party as 1 cents per impression , in means the publishers is earning 1 thousand cents per one thousand impression . An impression is counted as and when a banner, web link ,or the text link ,pop up or loaded in browser ,so once it is loaded it treated as one impression .so as many as time it is loaded it calls add impressions when it is accumulated.So cost per thousand is a good calculations .