Considered this question, in the past few years, webmaster may think that content of course for visitors.
审议了这个问题，在过去几年里，网站管理员可能会认为内容当然为参观者。
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There is hardly a webmaster who hasn't heard that paid links can hurt your rankings but still many web masters don't miss the chance to make a few bucks.
I acknowledge that there are areas of concern, but every Webmaster faces the same issues, and the community is learning information management principles to address them.