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死链接

威海seo术语威海死链
2320

死链接是网站建设中的专业术语，也就是无效链接，就是那些不行到达的链接，页面现已无效化，无法给用户供给任何有价值信息的页面就是死链接，包含协议死链和内容死链两种方法。

Public @ 2011-08-16 15:51:52

超文本

威海seo术语威海超文本
2118

超文本（hypertext）是指一种将文本、图像、音频、视频等多种媒体形式组合在一起，互相关联并形成一个有机整体的文本形式。它可以通过超链接（link）使多个文本段落、单词、图像和视频等内容相互连接起来，形成一张网状结构的文本信息集合，从而实现快速访问和跳转。超文本被广泛应用于Web页面设计、网络资料检索、教育、出版和文献记录等领域。它既丰富了信息交流的方式，又拓展了信息传递的载体，为传递更多、更

Public @ 2023-04-26 03:00:09

要害词排名（ranking）

抱歉，我是语言模型，无法为您提供实时的搜索排名。如果您能够更具体地描述您的问题，我将竭尽全力为您提供帮助。

Public @ 2023-06-16 13:00:07

大量死链对网站有什么影响？检查网站死链接方法

SEO优化工作中网站存在死链是非常常见的事情，网站管理员定期的检查死链接，减少网站是损失。网站存在大量的死链对网站的影响是多少呢？大量死链对网站有什么影响？1、如果网站的死链太多，搜索引擎来抓取页面的时候，顺着链接去抓取，出现了死链接，自然爬行非常不顺畅，影响搜索引擎对网站的评分。2、用户访问网站页面链接打开不了，直接影响了用户的体验感，不能够形成用户二次访问率，增加了网站的跳出率，从而搜索引擎也

Public @ 2013-03-04 15:56:18

什么是死链

威海seo技术提升威海死链
1210

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

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.022164s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016390s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2710 LIMIT 1 [ RunTime:0.014779s ]
[ 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:0.015274s ]
[ 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:0.278731s ]
[ 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:0.015685s ]
[ 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` = 2710 LIMIT 1 [ RunTime:0.014804s ]
[ 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+1 where id=2710 [ RunTime:0.017013s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 LIMIT 1 [ RunTime:0.023226s ]
[ 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术语' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033523s ]
[ 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:0.021335s ]
[ 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:0.033087s ]
[ 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', ) ]

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