Hatena Co., Ltd. (株式会社はてな, Kabushiki-gaisha hatena) is an internet services company in Japan. It operates various services including the most popular social bookmarking service in Japan, Hatena Bookmark. Hatena is the collective name of the company's services. On July 19, 2001, it was founded by Junya Kondo in Kyoto. The company moved its headquarters to Shibuya, Tokyo on April 10, 2004. The headquarters were moved back to Kyoto in April, 2008. Hatena Diary was Hatena's blog hosting service. On January 16, 2003, it was released as a beta version. On March 13, 2003, it was taken out of beta. Hatena Diary is a multi-lingual service which supports UTF-8 character encoding. Hatena Diary has a free version and a premium version. The chief characteristic of Hatena Diary is its keyword system. But was shortly replaced on July 26, 2019, by Hatena Blog More information...
According to PR-model, hatena.ne.jp is ranked 9,500th in multilingual Wikipedia, in particular this website is ranked 824th in Japanese Wikipedia.
The website is placed before binbaz.org.sa and after ibosnetwork.com in the BestRef global ranking of the most important sources of Wikipedia.