SEO网站优化之百度绿萝算法
算法内容
为了打击买卖外链、批量群发外链的行为。目的，避免站长不用心做用户体验，纯粹的利用搜索引擎漏洞投机取巧，影响搜索引擎自身用户体验。主要打击的网站类型有，超链中介、出售链接网站、购买链接的网站。
实操说明：买卖链接行为一方面影响用户体验，干扰搜索引擎算法；另一方面投机建站者得利，超链中介者得利，真正勤勤恳恳做好站的站长却在这种恶劣的互联网超链环境中无法获得应有的回报。因此针对买卖链接行为在清除外链计算的基础上，我们将对站点本身作出进一步调整。
此次调整中，以下三个类型网站将会受到不同程度的影响：
1、超链中介
超链本应是互联网上相对优质的推荐，是普通用户及网站之间对页面内容、网站价值的肯定，但是现在种种超链作弊行为使得真实的肯定变成了一些人谋取利益的垫脚石，用户无法根据链接的推荐找到需要的优质资源，并且严重干扰搜索引擎对网站的评价。超链中介便是这畸形的超链市场下形成的恶之花，我们有义务维护超链的纯净维护用户利益，也有责任引导站长朋友们不再支出无谓的花销，所以超链中介将在我们的目标范围内。
2、出卖链接的网站
一个站点有许多种盈利方式，利用优质的原创内容吸引固定用户，引进优质广告资源，甚至举办线下活动，这些盈利方式都是我们乐于见到的，是一个网站的真正价值所在。但是一些网站内容基本采集自网络，以出卖超链位置为生；一些机构类网站或被链接中介所租用进行链接位置出售，使得超链市场泡沫越吹越多。此次的调整对这类站点同样将有所影响。
3、购买链接的网站
一直以来，百度对优质站点都会加以保护和扶植，这是从用户需求以及创业站长的角度出发的必然结果。而部分站长不将精力用在提升网站质量上，而选择钻营取巧，以金钱换取超链，欺骗搜索引擎进而欺骗用户。对于没有太多资源和金钱用于此类开销的创业站长来说，也是一种无形的伤害，如果不进行遏制，劣币驱逐良币，势必导致互联网环境愈加恶劣。此次调整这类站点本身也将受到影响。
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