早在1990年代、英特网刚刚萌芽的时候,搜寻引擎最佳化这门学问就已经成为网站管理员的必修课;只是不同的是,当年的技术环境较为单纯,连带使得这些动作缺乏了今日的争议性。早年的搜寻引擎相当依赖网站管理员主动输入网站页面的相关信息,例如关键词与范畴类别,这也使得一些将这类信息同步输入各大搜寻引擎的服务成为今日网络营销公司在概念上的前身。 As early as the 1990s, when the Internet was just beginning to emerge, search engine optimization has become a required course for webmasters. The only difference is that the technical environment of the year was relatively simple, which made these actions lack of action today Controversial. Early search engines relied heavily on webmasters to actively enter information about web pages, such as keywords and category categories, which also made some of the services that synchronize this type of information into major search engines become the conceptual predecessor of today’s web marketing companies .