For most of us, the immediate response would be to simply leave the current site in favor of another one because both people and search engines consider broken links as unprofessional.
绝大多数人最直接的反应就是离开，去另外一个站点，因为无论用户还是搜索引擎都会把失效链接看作一种不专业的表现。
Search options allow you to establish how deep and how far the spider should go - maximum depth , current directory, entire site.
搜索选项允许你建立有多深，并有多远蜘蛛应该去-最高的深入，当前目录，整个网站。
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