Gridsum Holding Inc. announced it has signed Lianjia, an online platform for real estate transactions headquartered in Beijing, as a new client. Lianjai will adopt Gridsum's Marketing Automation suite for its open-listing platforms, Lianjia.com and Ke.com. Lianjia will leverage Gridsum's Marketing Automation suite to increase the platform's visibility by optimizing advertisement placements on Baidu's news feed, and to enhance the conversion rate of its listing platform.