Of the 10 industries that spent the most on Google ads in Q3 2012 (both search and display), the Internet and Telecommunications industry achieved the best overall results according to WordStream, with a 6.27% average conversion rate from Google Search, and 8.59% on Google Display Network. The finance industry enjoyed the second highest average conversion rate (6.12% on Google Search, 5.12% on Google Display). Its top advertisers were State Farm, Geico, Quicken Loans, and Bank of America. This industry achieved the highest number of conversions in Q3 (1.39 million through Search, 268,000 through Display).
The lowest: Travel, on Google Search, at 1.45%. This suggests that travel consumers shop at several sources before making a purchase like plane tickets or hotel rooms. Google’s largest advertisers in Travel on the AdWords network were Expedia, Hotels.com, Booking.com, Priceline and Kayak. Read the rest at MarketingCharts.