The primary goal of the spammers is to increase the search engine ranking for their client sites, in a process called "black hat search engine optimization (SEO)" or "Spamdexing".
垃圾信息散布者的主要目的就是提高其客户站点在搜索引擎的排名，这个过程被称为 “黑帽式搜索引擎优化（SEO）” 或 “垃圾索引”。
SEO impact: Choosing a primary domain will help avoid duplicate content.
对搜索引擎优化的影响：选择一个主域名将有助于避免重复内容。
The days of SEO as the primary traffic driver to your website are over.
作为引领你上网的主要网站 SEO 的时代已经过去了。
应用推荐