China, however, often blocks websites that do not conform to regulations, some of which extend to the country's strict rules on the censorship of politically sensitive topics. Already Google's YouTube and Blogger products have been blocked in China. Google has also recently said by the Chinese government, which authorities deny.

Google Maps appeared to be accessible on Friday morning in China.

China's State Bureau of Surveying and Mapping also issued a statement in March, saying it would take action against illegal online maps operating in the country. Online maps with excessive violations will be closed, the statement said.