This morning the IAB announced online ad revenues for the first half of 2010. According to the report, revenues increased 11.3 percent vs. the same period a year ago. Second quarter ad revenues were $6.2 billion, a 4.1 percent increase over last year. Total 2010 ad revenues to date (through June) were $12.1 billion.

Search continued to be the single largest category of online advertising, with 47 percent of all online revenues:

Most categories, however, were unchanged from last year.

It’s worth noting that search is double the next largest category: static display. However, all display (including video, rich media) taken together amounts to 34 percent of total online ad spending. The following chart shows five year historical data with trending among the various ad categories:

Finally here are the largest online ad spenders by business or product category:

There’s a good deal more interesting data and information in the report.

Related Topics: Channel: SEM | Google: AdWords | Search Ads: General | Stats: General | Stats: Size

About The Author: Greg Sterling is a Contributing Editor at Search Engine Land. He writes a personal blog Screenwerk, about SoLoMo issues and connecting the dots between online and offline. He also posts at Internet2Go, which is focused on the mobile Internet. Follow him @gsterling. See more articles by Greg Sterling

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