不是外链没用,而是你发的外链没用
<div style="color: black; text-align: left; margin-bottom: 10px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">网站<span style="color: black;">外边</span>链接的价值取决于你对链接的维度<span style="color: black;">是不是</span><span style="color: black;">把握</span>到位,百度曾公<span style="color: black;">研发</span>布过一篇<span style="color: black;">文案</span>关于谈外链判断<span style="color: black;">因为</span><span style="color: black;">此刻</span>发布的博客外链,论坛外链这类人为性链接效果越来越低,造<span style="color: black;">成为了</span>SEO圈子里面<span style="color: black;">各样</span>外链无用论说法。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">并不</span>是外链没用,而是你发的外链没用(不<span style="color: black;">创立</span>具备<span style="color: black;">举荐</span>度的价值型外链)。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">那样</span>何为有效外链?百度<span style="color: black;">亦</span>说过这么一句话,链接<span style="color: black;">是不是</span>具备<span style="color: black;">举荐</span>度在于链接本身<span style="color: black;">是不是</span>是用户<span style="color: black;">或</span>其他网站的真心<span style="color: black;">举荐</span>,<span style="color: black;">或</span>是具备高质量的链接<span style="color: black;">道理</span>。从这句话<span style="color: black;">咱们</span><span style="color: black;">能够</span>看出,前者是用户自然性<span style="color: black;">举荐</span>,后者是站点具备高质量。<span style="color: black;">例如</span>本文里面的原文<span style="color: black;">位置</span>给百度站长做的外链由卢松松博客投稿发布,显然这是一条具备有价值的<span style="color: black;">优秀</span>外链。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">非常多</span>时候,<span style="color: black;">针对</span>一个站点的<span style="color: black;">外边</span>链接<span style="color: black;">原因</span>影响是最大的,即使搜索引擎降低了外链的效果。<span style="color: black;">然则</span>试问一下,在绝大<span style="color: black;">都数</span>站点内容都做的很<span style="color: black;">通常</span>的时候,决定你排名的<span style="color: black;">最后</span>还需要<span style="color: black;">优秀</span>的外链来构建。SEO人容易有一个缺点<span style="color: black;">便是</span>看点不碰面,永远只会围绕一个点去观察,而不是一个面,<span style="color: black;">例如</span><span style="color: black;">非常多</span>人都<span style="color: black;">说到</span>发布的外链<span style="color: black;">无</span>效果。其实除了链接本身<span style="color: black;">是不是</span>具备<span style="color: black;">举荐</span>度,还和链接的数量有<span style="color: black;">极重</span>的关系。<span style="color: black;">倘若</span>你优化的关键词竞争对手的<span style="color: black;">外边</span>链接是数以万计,<span style="color: black;">那样</span>你发布的有效外链是几百条,相对而言,毫无价值。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">倘若</span><span style="color: black;">想要</span><span style="color: black;">认识</span>一个特征点影响排名的<span style="color: black;">原因</span>,<span style="color: black;">那样</span>必定要去追究他的原理。好比<span style="color: black;">研发</span>电脑和修电脑的层次完全<span style="color: black;">再也不</span>一个级别上。<span style="color: black;">一样</span>的,<span style="color: black;">想要</span>深入<span style="color: black;">认识</span>搜索引擎<span style="color: black;">外边</span>链接的原理,<span style="color: black;">那样</span><span style="color: black;">亦</span>需要去深度分析搜索引擎<span style="color: black;">各样</span>链接分析算法。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">而最经典的算法有四种,这是本文的核心要点所在。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1、HITS算法</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">今年年初的时候在卢松松博客投稿了一篇关于HITS算法的<span style="color: black;">文案</span>,并不是说HITS算法是我发明,<span style="color: black;">亦</span>不是百度发明的。只<span style="color: black;">不外</span>这类搜索引擎链接分析算法几乎沿用于<span style="color: black;">全世界</span>大<span style="color: black;">都数</span>的搜索引擎,<span style="color: black;">区别</span>的搜索引擎针对的算法效果和数值不一。下图案例是经典的HITS算法所带来的效果,如下图所示</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://p3-sign.toutiaoimg.com/37d40003599c1841daae~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729488190&x-signature=XxKtnHT1fz8%2B7wDPBflqjJNcidw%3D" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://p3-sign.toutiaoimg.com/37d40003599be63d409a~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729488190&x-signature=cyH9xy6wCQTGi%2BlEKTpELOlo%2F68%3D" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">非常多</span>时候,你们看到对手的排名好仅仅是排名好,<span style="color: black;">然则</span>殊不知<span style="color: black;">她们</span>运用的搜索引擎算法展现的淋漓尽致。上图案例并且是给竞争对手做的单向友情链接(<span style="color: black;">意见</span>:链接讲究自然性,<span style="color: black;">然则</span>大<span style="color: black;">都数</span>SEO人非常小气,生怕流失自己页面权值,<span style="color: black;">倘若</span>人人都像SEO人这么小气,那世界上不会存在自然性外链),为了防止单向链接权值流失,<span style="color: black;">能够</span>适当做好nofollow标记。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">算法思想:HITS算法强调的是枢纽页面(Hub)与权威页面(Authority)之间的相互<span style="color: black;">加强</span>关系,并且该算法是与用户<span style="color: black;">查找</span><span style="color: black;">关联</span>的链接分析算法。我想不少人会听到<span style="color: black;">外边</span>链接还<span style="color: black;">能够</span>与用户<span style="color: black;">查找</span><span style="color: black;">关联</span>。其实简单的理解<span style="color: black;">便是</span>一个页面的链接里面<span style="color: black;">倘若</span><span style="color: black;">包括</span>了该用户搜索词里面非常<span style="color: black;">优秀</span>的站点,并且<span style="color: black;">自己</span>站点<span style="color: black;">亦</span>是在阐述该用户的搜索词,<span style="color: black;">那样</span><span style="color: black;">一样</span>的,搜索引擎<span style="color: black;">亦</span>会<span style="color: black;">增多</span><span style="color: black;">自己</span>网页的排名。<span style="color: black;">例如</span>,用户搜索招聘,好123导航网站聚合了58、智联、前程无忧等<span style="color: black;">各样</span>权威招聘站点。<span style="color: black;">一样</span>的,等于告诉了搜索引擎,好123网站有用户想要的所有<span style="color: black;">优秀</span>、真实的招聘网站信息,不需要用户<span style="color: black;">经过</span>其他网站进行逐一<span style="color: black;">查找</span><span style="color: black;">就可</span>找到自己想要的答案。这<span style="color: black;">亦</span>是HITS算法的核心思想和基本运用方式所在。算法原文(含算法计算公式)</p>http://blog.csdn.net/hguisu/article/details/7996185
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2、PageRank算法</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">算法思想:PageRank算法来自于谷歌搜索引擎,虽然<span style="color: black;">针对</span>国内搜索引擎<span style="color: black;">来讲</span>该算法不<span style="color: black;">必定</span>100%准确,<span style="color: black;">然则</span>绝对有参考价值。PageRank算法的核心思想强调两个点,一个是链接数量假设原则,另一个则是链接质量假设原则。<span style="color: black;">然则</span>该算法仅仅是链接分析算法,和用户<span style="color: black;">查找</span>无关,<span style="color: black;">因此</span>PageRank算法<span style="color: black;">一般</span>不会单独<span style="color: black;">运用</span>,<span style="color: black;">由于</span>缺陷<span style="color: black;">很强</span>。算法原文(含算法计算公式)</p>:http://blog.csdn.net/hguisu/article/details/7996185
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">3、Hilltop算法</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">算法思想:Hilltop算法<span style="color: black;">重点</span>融合了HITS和PageRank算法的两个核心思想。该算法不仅<span style="color: black;">能够</span>用于链接<span style="color: black;">举荐</span>度投票(权值加分),<span style="color: black;">一样</span><span style="color: black;">亦</span><span style="color: black;">能够</span>进行用户<span style="color: black;">查找</span>匹配。<span style="color: black;">例如</span><span style="color: black;">非常多</span>网页并<span style="color: black;">无</span>优化该关键词,<span style="color: black;">然则</span>该关键词却有排名,案例如下图所示:</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://p3-sign.toutiaoimg.com/37d900000e66c3e0b586~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729488190&x-signature=kUKh3yqWOj3P1wx6lCSEwIutxLg%3D" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">上面三张图的<span style="color: black;">第1</span>张<span style="color: black;">照片</span><span style="color: black;">咱们</span><span style="color: black;">能够</span><span style="color: black;">发掘</span>,搜索湘潭SEO的时候是排名第五页的位置,<span style="color: black;">然则</span>该站点并<span style="color: black;">无</span>特意优化该关键词。<span style="color: black;">经过</span>第二张图百度快照<span style="color: black;">能够</span><span style="color: black;">发掘</span>该站做了一条友情链接指向湘潭SEO,并且该站<span style="color: black;">便是</span>搜索湘潭SEO的首页<span style="color: black;">第1</span>位站点。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">算法<span style="color: black;">运用</span><span style="color: black;">重视</span>事项:并不是所有站点都能够运用Hilltop算法进行有效加分,<span style="color: black;">运用</span>该算法的前提是自己站点的信任度足够高,<span style="color: black;">那样</span>你采用该<span style="color: black;">办法</span><span style="color: black;">能够</span>间接性<span style="color: black;">提高</span><span style="color: black;">自己</span>站点的排名。并且Hilltop算法的核心要点<span style="color: black;">说到</span>了专家页面,简单的理解专家页面<span style="color: black;">便是</span>从所有互联网文档<span style="color: black;">其中</span>去收集比较有价值的页面。并且该页面要满足两个<span style="color: black;">要求</span>:</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">A、一个页面需要<span style="color: black;">包括</span>K个导出链接,这个数量<span style="color: black;">能够</span>由搜索引擎<span style="color: black;">自己</span>设置;</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">B、满足非从属组织页面<span style="color: black;">需求</span>(非从属组织页面的定义是站点<span style="color: black;">区别</span>IP段,并且域名名<span style="color: black;">叫作</span><span style="color: black;">不可</span>相同,如www.lusongsong.com和www.lusongsong.com.cn属于从属组织站点)。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">满足这两个<span style="color: black;">要求</span><span style="color: black;">就可</span>有机会参与专家页面,在Hiltop算法里面,<span style="color: black;">重点</span>阐述三个信息,A、网页标题,B、H1标签内文字,C、URL锚文本。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">这<span style="color: black;">亦</span>是上图案例<span style="color: black;">其中</span><span style="color: black;">为么</span><span style="color: black;">导致</span>排名的核心要点,<span style="color: black;">咱们</span><span style="color: black;">能够</span><span style="color: black;">经过</span>观察<span style="color: black;">发掘</span>,页面标题虽然<span style="color: black;">无</span><span style="color: black;">包括</span>湘潭SEO,<span style="color: black;">然则</span><span style="color: black;">包括</span>了湘潭该关键词。并且页面里面的导出URL锚文本里面<span style="color: black;">亦</span><span style="color: black;">包括</span>了湘潭SEO,虽然不是所有站点都有H1标签,<span style="color: black;">然则</span>满足了<span style="color: black;">另一</span>两点,就足够让Hilltop算法产生效果。不妨去观察一下自己网站,<span style="color: black;">亦</span>许你<span style="color: black;">发掘</span>你网页的关键词排名正是<span style="color: black;">因为</span>Hilltop算法所产生的效果,只<span style="color: black;">不外</span>你不懂算法,看到的是排名<span style="color: black;">罢了</span>。算法原文(含算法计算公式)</p>:http://blog.csdn.net/hguisu/article/details/8021036
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4、SALSA算法</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">算法思想:SALSA算法强调的是链接间接性传播原理,<span style="color: black;">亦</span>是SEO人都<span style="color: black;">晓得</span>的一条<span style="color: black;">优秀</span>外链比100条普通外链要好的<span style="color: black;">原由</span>。严格来讲链接是具备间接性传递,<span style="color: black;">例如</span>A指向B,B指向C,<span style="color: black;">一样</span>C<span style="color: black;">能够</span>吸收A站点的权值,如下图所示:</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://p3-sign.toutiaoimg.com/37d7000018418c361e91~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729488190&x-signature=MudJVZihf2kLVSu9h48sqH5%2BHd8%3D" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">SALSA算法<span style="color: black;">一样</span><span style="color: black;">亦</span>融合了HITS算法和PageRank算法的综合思想,<span style="color: black;">然则</span>与Hilltop算法的<span style="color: black;">区别</span>之处在于Hilltop算法强调链接<span style="color: black;">查找</span>关系,SALSA算法强调链接权值分配。算法原文(含算法计算公式)</p>:http://blog.csdn.net/hguisu/article/details/8016916
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">上图<span style="color: black;">能够</span><span style="color: black;">发掘</span>一个站点给定一个有效的权值X(<span style="color: black;">能够</span>为1、<span style="color: black;">能够</span>为0.5,<span style="color: black;">区别</span>的搜索引擎值不<span style="color: black;">同样</span>),<span style="color: black;">然则</span><span style="color: black;">最后</span><span style="color: black;">咱们</span><span style="color: black;">能够</span><span style="color: black;">发掘</span>,链接他<span style="color: black;">能够</span>多元化吸收站点的权值。<span style="color: black;">例如</span>举个最<span style="color: black;">平常</span>的例子,链接是具备<span style="color: black;">举荐</span>度传播加分,<span style="color: black;">亦</span><span style="color: black;">作为</span>信任值。<span style="color: black;">例如</span>市长(权威站点,如腾讯网)说我是村长和普通人(普通站点)说我是村长的可信度<span style="color: black;">显著</span>是前者。<span style="color: black;">然则</span>市长<span style="color: black;">亦</span>不是天生是市长,<span style="color: black;">亦</span>是<span style="color: black;">因为</span>他<span style="color: black;">背面</span>有<span style="color: black;">海量</span>的普通人给与投票形成的权威性。<span style="color: black;">因此</span><span style="color: black;">咱们</span>常常所听到的<span style="color: black;">优秀</span>外链权值传递更高其实来至于SALSA算法本身,并不是<span style="color: black;">所说</span>的爱站、站长工具这种虚拟权重。<span style="color: black;">倘若</span>用这类工具来交换友情链接,稍微有点经验的人都<span style="color: black;">晓得</span>是一个中看不中用的链接。当然,<span style="color: black;">怎样</span>去识别交换链接的站点网页评分<span style="color: black;">能够</span><span style="color: black;">经过</span>链接分析工具ahres(该工具收费,工具计算规则是采用了PageRank算法进行,是<span style="color: black;">全世界</span>外链工具里面比较好的一款实时分析工具)进行<span style="color: black;">查找</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">最后我再来总结一下这4个算法的特点:</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">HITS算法所阐述的特征点是<span style="color: black;">大众</span>都<span style="color: black;">晓得</span>的<span style="color: black;">亦</span><span style="color: black;">便是</span><span style="color: black;">关联</span>性链接,该链接仅仅是针<span style="color: black;">针对</span>互换链接进行有效加分<span style="color: black;">功效</span>,<span style="color: black;">倘若</span>是单向友情链接无需去强调<span style="color: black;">关联</span>性,<span style="color: black;">能够</span><span style="color: black;">经过</span>HITS算法的权威性来<span style="color: black;">提高</span>链接的效果。如发布的单向链接站点为上海装修<span style="color: black;">机构</span>,<span style="color: black;">那样</span>发布的单向链接<span style="color: black;">周边</span><span style="color: black;">能够</span>用上海市政府,上海装修<span style="color: black;">机构</span>,上海大学三个链接进行。目的<span style="color: black;">便是</span>让搜索引擎识别链接为真实性,而不是<span style="color: black;">所说</span>的链接购买进行的作<span style="color: black;">坏处</span>外链。好比你站在刘德华和张学友中间,普通的用户<span style="color: black;">同样</span>会认为你和<span style="color: black;">她们</span>之间的关系非常密切。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">PageRank算法强调的<span style="color: black;">便是</span>大伙都<span style="color: black;">晓得</span>的链接广泛性,这<span style="color: black;">亦</span>是PageRank算法的特点所在,<span style="color: black;">想要</span>把PageRank算法运用的好,<span style="color: black;">那样</span><span style="color: black;">自己</span>要具备<span style="color: black;">非常多</span>有价值的<span style="color: black;">优秀</span>外链,<span style="color: black;">倘若</span>都是垃圾外链,<span style="color: black;">那样</span>再多的链接<span style="color: black;">亦</span>不会<span style="color: black;">导致</span>PageRank算法生效,<span style="color: black;">由于</span>PageRank算法还强调了质量假设。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">Hilltop算法和SALSA算法是上面两种算法的综合体,<span style="color: black;">然则</span>却一分为二,前者强调链接质量原则,后者更加强调权值分配原则。<span style="color: black;">然则</span>不管是哪种搜索引擎链接分析算法,终究而言,<span style="color: black;">仅有</span>一点,万法归宗,任意搜索引擎算法的设计原则都是<span style="color: black;">源自</span>于用户本身,链接的<span style="color: black;">功效</span><span style="color: black;">亦</span>是围绕价值和信任两个点所展开。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">至于外链的效果,<span style="color: black;">非常多</span>人<span style="color: black;">持有</span><span style="color: black;">一样</span>的一批外链资源,<span style="color: black;">然则</span><span style="color: black;">常常</span><span style="color: black;">因为</span>操作<span style="color: black;">欠妥</span>,最后即使具备<span style="color: black;">举荐</span>度的外链<span style="color: black;">亦</span>变成的作<span style="color: black;">坏处</span>外链,<span style="color: black;">想要</span>真正把搜索引擎核心点吃透,<span style="color: black;">那样</span>就必须去<span style="color: black;">认识</span>他深层次的算法原理,知其然还需知其然<span style="color: black;">因此</span>然。</p>
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<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">作者:附子SEO </p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">源自</span>:卢松松博客,欢迎分享</p>
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