Appendix 4 Introduction to CNIDP cnidp.cn -- open and shared Internet statistical data and services ◆ Launched and run by CNNIC ◆ Providing Internet statistical data and services for free ◆ Reflecting the situation of Internet development in China objectively and timely Website of the platform: www.cnidp.cn Introduction to the Platform The China Internet Information Data Platform, launched and run by CNNIC, adopts the research method of fixed sample panel to reflect multiple facets (macro and micro) of the Internet development situation in China and provide multifaceted decision-making support for the participants of the Internet industry, by investigating the Internet using behavior data of Chinese Internet user samples collected at the client-side continuously in real time and by analyzing those data statistically. Function Demonstration Statistical data Provide weekly, monthly, quarterly and half-year statistical data including the covered users, visiting times, page views, visiting duration and (Illustration) other indicators for domestic mainstream websites/software; the data are updated within no more than 3 days. User characteristics Provide multi-dimensional structural distribution data including gender, age, education background, occupation, income, region and tier of city corresponding to mainstream domestic websites/software. Overlap analysis (Illustration) Make statistics about user group overlaps and the structural distribution of different user groups corresponding to different websites/software. Trend comparison Provide detailed historical statistics on a daily basis corresponding to mainstream domestic websites/software so as to reflect their trends of historical changes. 133133 The 39th Statistical Report on Internet Development in China