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<div id="0iqci2yyaecu" class="left"> <div id="0iqci2yyaecu" class="newsDetails-left"> <div id="0iqci2yyaecu" class="txt-box"> <div id="0iqci2yyaecu" class="tit"> <h1>索引是什么?百度索引量為什么下降??</h1> <p><span>發(fā)布時(shí)間：2020-09-06 17:30:21</span><span>來(lái)源：索引是什么</span><span>作者：百度索引量</span><span id="0iqci2yyaecu" class="num" id="new_hits">閱讀：<span id="hits" style="margin-left: 0px;margin-right: 18px;"> <script src=/e/public/ViewClick/?classid=33&id=8234&addclick=1></script> </span></span></p> </div> <div id="0iqci2yyaecu" class="explain"><span id="0iqci2yyaecu" class="ag-color">[導(dǎo)讀]：</span><em>沒(méi)有索引是沒(méi)有辦法參與頁(yè)面排名的，索引是什么?百度索引量為什么下降??站點(diǎn)索引消失或者下降時(shí)，怎么排查和恢復(fù)索引?下面西安網(wǎng)站優(yōu)</em></div> <div id="0iqci2yyaecu" class="words content_lunbo" id="nsbody"> <p> 　　沒(méi)有索引是沒(méi)有辦法參與頁(yè)面排名的，索引是什么?百度索引量為什么下降??站點(diǎn)索引消失或者下降時(shí)，怎么排查和恢復(fù)索引?下面<a href=http://m.powerphone.com.cn/ target=_blank >西安網(wǎng)站優(yōu)化</a>就來(lái)和大家分享一下這個(gè)難題!</p> <p> <strong>　　索引量下降的查看方式：</strong></p> <p> 　　對(duì)于一個(gè)非常簡(jiǎn)單的操作，您可以通過(guò)這些發(fā)現(xiàn)站點(diǎn)的索引變化，使用SITE命令查詢百度搜索結(jié)果中給出的數(shù)據(jù)量。或者使用百度搜索資源平臺(tái)下給出的具體數(shù)據(jù)。再就是比較直接的方式，批量查詢網(wǎng)站收錄，比如：是否可以查詢特定的核心URL。</p> <h2 > 　　索引是什么?</h2> <p> 　　MySQL正式將索引定義為：Index(Index)是一種幫助MySQL高效獲取數(shù)據(jù)的數(shù)據(jù)結(jié)構(gòu)，我們可以簡(jiǎn)單地理解為：快速找到排序的數(shù)據(jù)結(jié)構(gòu)，MySQL索引主要有兩種結(jié)構(gòu)：B+樹(shù)索引和哈希索引。如果沒(méi)有具體說(shuō)明通常所說(shuō)的索引，一般是指按B-tree結(jié)構(gòu)組織的索引(B+Tree index)。</p> <p> 　　我們SEO工作所說(shuō)的索引是指頁(yè)面是否參了排名，粗略的說(shuō)參與排名的數(shù)量或者頁(yè)面量，一般就是我們所說(shuō)的索引量!<br /> <br /> <img alt="" src="http://m.powerphone.com.cn/d/file/uploads/allimg/20/1-200Z61I455334.jpg" style="width: 605px; height: 375px;" /></p> <h2 > 　　百度索引量為什么下降?原因分析：</h2> <p> <strong>　　一、頁(yè)面加載正確。</strong></p> <p> 　　我們?cè)谧鼍W(wǎng)站運(yùn)營(yíng)時(shí)，需要盡量避免網(wǎng)站錯(cuò)誤：http500內(nèi)部服務(wù)器錯(cuò)誤，相關(guān)問(wèn)題，通常會(huì)導(dǎo)致頁(yè)面加載不正確。</p> <p> 　　您可以使用如HTTP狀態(tài)碼檢測(cè)定期查看一些主要頁(yè)面，以查看是否偶爾出現(xiàn)類似的錯(cuò)誤。如果長(zhǎng)時(shí)間不正常加載，搜索引擎可能會(huì)降低頁(yè)面的爬行和評(píng)級(jí)，甚至?xí)h除索引。</p> <p> <strong>　　二、頁(yè)面訪問(wèn)超時(shí)</strong></p> <p> 　　我們知道，對(duì)于一個(gè)服務(wù)器來(lái)說(shuō)，總會(huì)有一些限制，比如：帶寬限制，如果你的網(wǎng)站在運(yùn)行過(guò)程中出現(xiàn)頁(yè)面訪問(wèn)超時(shí)，帶寬耗盡，也會(huì)有索引消失的情況。</p> <p> 　　1、網(wǎng)站持續(xù)遭受DDOS攻擊。</p> <p> 　　2、由于帶寬消耗較高，主機(jī)公司批量屏蔽了大量地域的IP訪問(wèn)。</p> <p> 　　3、爬蟲惡意收錄，網(wǎng)站爬行頻繁。</p> <p> 　　解決這個(gè)問(wèn)題的主要方式是增加服務(wù)器安全的過(guò)濾機(jī)制，或者增加網(wǎng)站CDN加速。</p> <p> <strong>　　三、URL是否已更改</strong></p> <p> 　　當(dāng)我們使用一些CMS程序時(shí)，由于<a href=http://m.powerphone.com.cn/seofw/ target=_blank >SEO顧問(wèn)</a>日常操作不當(dāng)，我們可能會(huì)在不經(jīng)意間更改頁(yè)面的URL常用常用稱呼，例如：</p> <p> 　　1、批量生成靜態(tài)頁(yè)面時(shí)，生成目錄名稱修改錯(cuò)誤。</p> <p> 　　2、您的URL形態(tài)是否已更改，例如：偽靜態(tài)組件錯(cuò)誤，導(dǎo)致頁(yè)面URL展現(xiàn)為動(dòng)態(tài)URL。</p> <p> 　　3、您的頁(yè)面是否錯(cuò)誤地設(shè)置為302或301以跳轉(zhuǎn)。</p> <p> 　　4、由于技術(shù)原因，您的網(wǎng)站無(wú)法正常訪問(wèn)。</p> <p> <strong>　　四、搜索引擎標(biāo)識(shí)</strong></p> <p> 　　我們知道，對(duì)于任何網(wǎng)站來(lái)說(shuō)，用戶看到的頁(yè)面與搜索引擎看到的頁(yè)面是完全不同的。如果您的網(wǎng)站管理人員在網(wǎng)站運(yùn)行期間更改了搜索引擎識(shí)別的頁(yè)面，也會(huì)百度索引量的穩(wěn)定性，例如：</p> <p> 　　1、添加了一些不好的隱藏鏈接，或被添加了黑鏈。</p> <p> 　　2、開(kāi)的CDN加速，或者網(wǎng)站緩存，蜘蛛訪問(wèn)的內(nèi)容由于緩存問(wèn)題與實(shí)際不符的情況。</p> <p> 　　這些問(wèn)題都是會(huì)導(dǎo)致頁(yè)面百度索引量持續(xù)下滑的因素，當(dāng)然有時(shí)候也不一定都是壞事，比如：內(nèi)容重復(fù)改正。</p> <p> 　　在做SEO的過(guò)程中，我們非常清楚，沒(méi)有索引是沒(méi)有辦法參與頁(yè)面排名的，索引建立后指數(shù)不斷流失對(duì)排名也是非常不利的。當(dāng)</p> <p> 　　如上，基本是今天想和大家分享的索引是什么?百度索引量為什么下降?沒(méi)有索引是沒(méi)有辦法參與頁(yè)面排名的，檢查以上提到的，索引會(huì)逐漸恢復(fù)正常的，如果您還有<a href=http://m.powerphone.com.cn/seojinjie/ target=_blank >SEO推廣</a>的疑問(wèn)，請(qǐng)聯(lián)系我們的熱線電話或在線客服，我們竭誠(chéng)為您服務(wù)!</p> </div> <div id="0iqci2yyaecu" class="txt-upDown"><span id="0iqci2yyaecu" class="fr">上一篇：<a href='http://m.powerphone.com.cn/seozixun/8218.html'>西安網(wǎng)站優(yōu)化公司10年seo技術(shù)總結(jié)!(干貨)</a></span><span>下一篇：<a href='http://m.powerphone.com.cn/seozixun/8236.html'>西安網(wǎng)站公司：用戶體驗(yàn)優(yōu)化的7個(gè)重點(diǎn)!</a></span></div> <div id="0iqci2yyaecu" class="explain">聲明：本文源自巨海科技整理編輯，如本站文章和轉(zhuǎn)稿涉及版權(quán)等問(wèn)題，請(qǐng)作者在及時(shí)聯(lián)系本站，我們會(huì)盡快處理。<br> 標(biāo)題：索引是什么?百度索引量為什么下降?? ????????原文地址：http://m.powerphone.com.cn/seozixun/8234.html </div> <div id="0iqci2yyaecu" class="share-box"> <div id="0iqci2yyaecu" class="bdsharebuttonbox"><a href="#" class="bds_more" data-cmd="more"></a><a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a><a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a><a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a><a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網(wǎng)"></a><a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a></div> 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