Public Internet services are usually provided by provincial telecom companies, which sometimes are traded between networks.
Internet service providers without a nationwide network could not compete with their bandwidth provider, the telecom companies, and often run out of business.
Baidu is the leading search engine in China, while most web portals also provide search opportunities like Before 2014, Googlers in China were linked to Google Hong Kong from its page because of an issue with hackers reportedly based in Mainland China.
Other Internet service providers such as the human resource service provider 51job and the electronic commerce web sites such as are less popular but more successful on their specialty. All websites that operate in China with their own domain name must have an ICP license from the Ministry of Industry and Information Technology.Because the PRC government blocks many foreign websites, many homegrown copycats of foreign websites have appeared. As of 2015, Google has limited to no presence in China.Until 2008 the Chinese Wikipedia could not be accessed from mainland China.Since 2008, the government only blocks certain pages on Wikipedia which they deem to contain controversial content.Although the Chinese write fewer emails, they enjoy other online communication tools.
Users form their communities based on different interests.The number of users using mobile devices to access the Internet overtook those using PCs (83.4% and 80.9%, respectively). By 2014, China hosts more than twice as much national bandwidth potential than the U.S., the historical leader in terms of installed telecommunication bandwidth (China: 29% versus US:13% of the global total).The interconnection between these networks is a big concern for Internet users, since Internet traffic via the global Internet is quite slow.However, major Internet services providers are reluctant to aid rivals states that 56% of Internet users were male, and 44% were female, and expresses other data based on sixty thousand surveys.China's first foray into global cyberspace was an email (not TCP/IP based and thus technically not Internet) sent on 20 September 1987 to University of Karlsruhe.