• by Laurie Sullivan  @lauriesullivan, April 12, 2012

Google continues to rake in clicks related to ads served on its sites and those of its network members. The Mountain View, Calif., company reported in its Q1 2012 earnings report that clicks rose 39% in Q1 2012, compared with the year-ago quarter, and approximately 7% sequentially.

Average cost-per-click, which includes clicks related to ads served on Google sites and the sites of network members, declined approximately 12% in Q1 2012, compared with the year-ago quarter, and approximately 6% sequentially.

About 69%, $7.31 billion, of total revenue came from Google sites for Q1 2012 on revenue of $10.65 billion for the quarter, end March 31, up 24% from the year-ago quarter. Revenue rose 24% in the quarter, compared with Q1 2011.

Google's partner sites generated $2.91 billion, or 27%, of total revenue, representing a 20% increase. Revenue from outside the United States totaled $5.77 billion, representing 54% of total revenue, compared with 53% in Q1 2011. Revenue from the United Kingdom remains flat year on year at $1.15 billion, representing 11% of first-quarter revenue.

Google also announced plans for a stock split, introducing a new class of nonvoting capital stock; the shares distributed through a stock dividend to existing shareholders.