MARKETWIRE - May 12 - Spark Networks, Inc., has reported financial numbers for Q1 2011. Revenues increase from $10.5 million in Q1 2010 to $11 million in Q1 2011. Spark Networks reported an 8% sequential increase in overall revenue, the largest quarter over quarter revenue growth in 5 years. Jewish Networks saw a 2% increase in average paying subscribers, while the company's Other Affinity Networks saw a revenue increase of 35%, average paying subscribers up 26%, and ARPU up 11%.