Leju Holdings Limited is an online to offline (O2O), real estate services provider in China. The Company offers real estate e-commerce, online advertising and online listing services through its online platform, which consists of local Websites covering over 260 cities and various mobile applications. The Company integrates its online platform with offline services to facilitate residential property transactions. In addition to its own Websites, the Company operates various real estate and home furnishing Websites of SINA Corporation (SINA). Its O2O services for new residential properties include selling discount coupons and facilitating online property viewing, physical property visits, marketing events and pre-sale customer support. It sells advertising primarily on the SINA new residential properties and home furnishing Websites, which are operated by the Company.