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叨叨死链这回事儿

叨叨死链是指在互联网上的一种现象，即某个链接已经失效，无法正常访问或跳转到目标网页或资源。叨叨死链可能是由于目标网页删除、网页重构导致链接改变或输入错误等原因造成的。叨叨死链在互联网上比较常见，特别是在一些较老的或不经常维护的网站上。这些死链会给用户带来不便，尤其当用户点击一个链接时，期望能够直接访问相关内容，却发现链接已经失效，无法打开目标页面。对于网站所有者来说，及时修复死链是保持网站良好用户体验的重要举措。网站所有者可以通过网站分析工具等手段，及时检测到死链，并进行修复或更新链接。同时，定期对网站进行维护和更新，确保链接的有效性，有助于提升网站的可用性和用户满意度。

Public @ 2023-07-21 00:50:23

Nofollow使用示例

如某博客上有垃圾评论：<a href="URL">顶顶</a>以下操作，即进行了 nofollow：<a href="URL" rel="nofollow" >灌水</a>在网页的 <HEAD> 部分添加适当的 <META> 标签。拦截所有搜索引擎把网页收录：<

Public @ 2016-11-01 16:08:52

如何生成站点地图

网上有很多站点地图生成的方法，比如在线生成、软件生成等，sitemap地图可以提交给各大搜索引擎，从而使搜索引擎更好的对网站页面进行收录，我们也可以通过robots.txt来告诉搜索引擎地图的位置。将制作好的网站地图上传至网站根目录下，最关键是把网站地图链接地址加入在 robots文件中以及做好网站地图在页面方便蜘蛛抓取的位置，一般把网站地图放在页眉和页脚位置。1、普通html格式的网站地图它的

Public @ 2020-08-31 16:11:49

什么是死链

我们在打开网址时，有时会出现“访问的页面不存在”的提示，这是死链的一种最直白的表现方式：通过某个链接进来后发现打不开或者是404页面，那么这个链接就叫做死链。

Public @ 2023-01-12 15:56:21

死链介绍及设置方法

一、死链介绍什么是死链几乎所有的智能小程序或站点都会遇到内容失效、过期，页面不需要再展现的情况，这些无法对用户提供任何有价值信息的页面就是死链接，它包括协议死链和内容死链两种形式。为什么要及时处理死链？当站点/小程序死链数据累积过多并且被展示到搜索结果页时，会影响百度搜索对站点/小程序的评价，对站点/小程序的访问体验和用户转化都会起到负面影响。另一方面，百度检查死链的流程也会为站点/小程序带来额外

Public @ 2010-07-18 15:56:15

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[ DB ] CONNECT:[ UseTime:0.021831s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015671s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9691 LIMIT 1 [ RunTime:0.014983s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.015019s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.015094s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.015402s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9691 LIMIT 1 [ RunTime:0.014684s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=9691 [ RunTime:0.018305s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站结构优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.021586s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站结构优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036367s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海死链' AND `status` <> -1 LIMIT 1 [ RunTime:0.021538s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海死链' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031758s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.411394s

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