More companies are pushing dollars to online advertising, including mobile platforms and digital video, than ever before. According to a new report out today from the Interactive Advertising Bureau, online ad revenues soared 22 percent last year to $31 billion, the first time that it has topped the $30 billion milestone. Search revenues accounted for nearly half of the revenue at $14.8 billion, up 27 percent on the year. Display advertising represented $11.1 billion, up 15 percent.

The biggest gainer was mobile advertising, which saw a 149 percent gain to $1.6 billion.

“The year 2011 saw mobile advertising become a meaningful category,” said David Silverman, a partner at PricewaterhouseCoopers, which helped compile the report. “By combining some of the best features of the internet, along with portability and location-based technology, mobile advertising is enabling marketers to deliver timely, targeted, relevant, and local advertisements in a manner that was not previously possible. It is for these reasons that we expect strong growth to continue with mobile advertising.”

The rise in online advertising could be a good sign for a number of companies, from Cheezburger Network to Microsoft’s Bing to Zillow.

Here’s a look at some of the breakdowns from the report:



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