48% of Internet ads in the first half of 2005 were purchased on CPM basis

Impression-based Internet ad deals accounted for 48% of the market, PricewaterhouseCoopers says, and $2.75 bln in online ad revenue in the first half of 2005.

Impression-based Internet ad deals accounted for 48% of the market, PricewaterhouseCoopers says, and $2.75 bln in online ad revenue in the first half of 2005. This is up from a 45% share and $2.068 bln in the first half of 2004. Performance deals were up, rising from $1.749 bln in the first half of 2004 to $2.315 bln in the first half of 2005. Market share of performance deals, too, was up from 38% in 2004 to 40% 2005.