There is not much information on how exactly Google personalizes their searches; however, it is believed that they use user language, location, and web history.
目前人们尚未知晓谷歌是如何个性化其搜索结果的，但人们相信，其搜索结果至少有基于其用户的语言、地点以及页面历史（英语：web history）。