EQUTE — New numbers from WebVisible show that small businesses are expanding their online advertising efforts, but especially turning to search marketing to get the word out.

Researchers showed that on average, small businesses spent money on about 55 keywords — a 30 percent jump over 2009’s 43 keywords. That’s not huge, but the amount of money they spent spiked a dramatic 91 percent — $1,658.

Those spending the most were attorneys and dentists, spending 2,560 and $2,005 respectively.

Also interesting, small businesses are buying into Bing, which grabbed 10.5 percent of the small business market share, taking 5 percent from Google.