MarketingSherpa's released their 2nd Annual Search Marketing Survey with 3,271 marketers participating.

This new report includes new statistics on clicks, costs and conversions as well as information on SEM test effectiveness. There's some pretty compelling data regarding outsourcing your SEO as well. For SEO, overall site traffic lift six months after optimization was:

Agency optimized 110% increase
In-house optimized 38% increase

While marketers using SEM were much more pleased about their PPC campaigns this year over last, 8-12% were planning on cutting SEM budgets.

Lots more info at Marketing Sherpa's site.

Tags: Top SEO Firms, Marketing Sherpa, SEM, SEO, search marketing , survey