Baidu was committed to improving internet environment. To provide better search result, Baidu has updated its algorithm for 7 times in 2013.
- 2013-2 Baidu launched a algorithm named Scindapsus Aureus to avoid hyperlink cheating. About 2 billion cheating pages were influenced, including intermediary, sellers and buyers of hyperlink.
- 2013-5 Baidu algorithm updated to Pomegranate, to decrease poor pages with spam. About 2.7 billion low quality pages were influenced. These websites had lots of poor pop-up advertisement, or content covered by advertisement.
- 2013-5 Algorithm were updated to improving the rank of original content. The websites which collected content from other sites used to be the top, so original content websites were hard to get profit. After updating, 5.2 billion pages including collection websites and false original websites were hit.
- 2013-7 Baidu launched Scindapsus Aureus Algorithm 2.0 to reduce advertorial promotion. The update influenced 1.6 billion news page.
- 2013-7 New algorithm managed to punish the websites selling second-level domains and directories. 1.2 billion pages were influenced.
- 2013-9 Baidu update algorithm to deal with batch produced results of static research, influencing 0.8 billion pages.
- 2013-12 The Pomegranate algorithm 2.0 were launched to improve the quality of search result. About 3.8 billion pages were influenced by the new algorithm.