China has the largest Internet users and most of them are not good in English. So, share of Chinese search engine, 'Baidu‘, is higher than 'Google'. Especially, as increasing Chinese Internet users, Chinese online market is also growing. Therefore, many sites in the world make their homepages in Chinese for drawing potential customers in China. And people who wants SEO services with the character of Chinese search engine is increasing rapidly. Most Chinese search engines use Chinese with two versions; simplified Chinese and traditional Chinese. The simplified Chinese is used in mainland China and Singapore, while the traditional Chinese is used in Hong Kong and Taiwan. Therefore, according to local Chinese search engines' official language, you have to choose one of these Chinese character. Also, according to China's characteristic search engine, you have to optimize your homepage.