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什么是死链

威海seo技术提升威海死链
1486

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/小程序带来额外负担，影响对其他正常页面的抓取和索引。

来源：百度搜索资源平台百度搜索学堂

Public @ 2016-07-19 15:36:56

什么是死链

威海seo技术提升威海死链
1488

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/小程序带来额外负担，影响对其

Public @ 2016-07-19 15:36:56

善用抓取诊断工具：站点IP变更

在与站长朋友私下交流中，站长表示：最怕改版，最怕换IP，每次都是万不得已身不由己。改版还好些，有改版工具可以使用。换了IP都不知道怎么通知百度。其实，登录百度搜索资源平台，使用抓取诊断工具，换IP真的不是愁事。抓取诊断工具会检查站点与百度的连接是否畅通，若站长发现IP信息还是老旧的，可以通过“报错”通知百度搜索引擎更新IP，如下图所示：重要提示：由于spider精力有限，如遇报错后网站IP依旧没有

Public @ 2014-10-20 15:26:06

什么是死链

死链是指在网站中链接到的页面或资源已经不存在，链接成为了无效的链接。通常在网页访问时会提示404错误页面。死链会对用户的使用体验产生负面影响，对网站的搜索引擎优化也有不利的影响。

Public @ 2023-05-28 06:00:06

什么是死链接？

简单地讲，死链接指原来正常，后来失效的链接。死链接发送请求时，服务器返回404错误页面。在这些情况下出现死链接：动态链接在数据库不再支持的条件下，变成死链接。某个文件或网页移动了位置，导致指向它的链接变成死链接。网页内容更新并换成其他的链接，原来的链接变成死链接。网站服务器设置错误。从用户的角度来看，死链接和错误链接的表现是一样的，所以一般我们并不需要区别死链接和错误链接。作为SEO人员或网站管理

Public @ 2021-12-09 15:56:17

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[ DB ] CONNECT:[ UseTime:0.025319s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018047s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1308 LIMIT 1 [ RunTime:0.016975s ]
[ 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:0.017459s ]
[ 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:0.017524s ]
[ 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:0.018120s ]
[ 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` = 1308 LIMIT 1 [ RunTime:0.017041s ]
[ 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=1308 [ RunTime:0.018127s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技术提升' AND `status` <> -1 LIMIT 1 [ RunTime:0.023035s ]
[ 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seo技术提升' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039585s ]
[ 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:0.024191s ]
[ 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:0.035562s ]
[ 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', ) ]

0.486722s

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