Interactive Advertising Bureau and Pricewaterhouse Coopers are reporting Internet ad revenues rose 23.2 percent—to a record $14.9 billion in the first half of 2011. The rate of growth more than doubled year on year, as 2010’s first-half year ad revenues of $12.1 billion had represented an 11.3 percent increase over 2009.

The IAB report shows the incredible growth in internet advertising since 1996 together with a table which breaks out where the 2011 ad spend is concentrated. 

Internet Ad spend since 1996

HY 11 … $14,941,000,000
HY 10 … $12,127,000,000 
HY 09 … $10,900,000,000 
HY 08 … $11,510,000,000 
HY 07 … $9,993,000,000
HY 06 … $7,909,000,000
HY 05 … $5,787,000,000 
HY 04 … $4,599,000,000 
HY 03 … $3,292,000,000 
HY 02 … $2,978,000,000 
HY 01 … $3,720,000,000
HY 00 … $4,013,000,000
HY 99 … $1,627,000,000 
HY 98 … $774,000,000 
HY 97 … $344,000,000 
HY 96 … $82,000,000   


2011 Internet Ad spend by category

Search 49%
Banner ads 23%
Classifieds 8%
Digital Video 6%
Rich Media 5%
Referrals/ Lead Generation 5% 
Sponsorship 3%
Email 1%

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