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什么是死链

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

在IIS下部署SSL证书实现HTTPS

威海seo技术提升威海https
1423

HTTPS是以安全为目标的HTTP通道，简单讲是HTTP的安全版。谷歌已经制定了一项长远的计划，它的最终目标是将所有通过HTTP协议呈现的网页标为“不安全”，对于站长来说，部署SSL证书来迁移到HTTPS是一个现实和重要的问题，那么，对于IIS系统来说，如何部署SSL证书实现HTTPS协议呢？下面就讲述一下具体的实现方法。IIS6对于IIS6来说，支持PFX格式证书，下载包中包含PFX格式证书和密

Public @ 2013-04-08 15:56:00

网站漏洞的危害有哪些

网站漏洞的危害可能包括以下方面： 1. 数据泄露：黑客可能会利用网站漏洞获取用户的敏感信息，如账户密码、信用卡信息等，从而导致用户隐私被泄露。 2. 网站瘫痪：黑客可能会利用漏洞攻击网站服务器，导致网站无法正常访问，给用户带来不便。 3. 恶意软件传播：黑客可能通过网站漏洞在网站中植入恶意代码，从而让用户的电脑感染病毒、木马等恶意软件。 4. 网络钓鱼：黑客可能会利用网站漏洞伪装成合法网站

Public @ 2023-06-21 15:50:16

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

百度搜索建议的死链设置方案

第一步，将返回码设置为404或者410：如果站点/小程序已永久删除相应内容，并且不打算对内容进行替换，建议开发者将返回码设置成404或410，百度爬虫尝试抓取网页时，如果返回码为404或410，会将URL判定为死链，进而从搜索中删除第二步，设置完返回码后，修改页面标题，明确表示该页面为死链，页面内容可以进行个性化设置。对百度搜索不友好的死链类型及不推荐的死链方案：1、个性化死链部分开发者追求个性化

Public @ 2013-12-22 15:36:55

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.021037s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015068s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014095s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.014907s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014020s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015225s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1308 LIMIT 1 [ RunTime:0.015042s ]
[ 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:0.014531s ]
[ 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:0.014813s ]
[ 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:0.015463s ]
[ 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:0.014040s ]
[ 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:0.018538s ]
[ 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:0.021541s ]
[ 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:0.037146s ]
[ 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:0.021102s ]
[ 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:0.031087s ]
[ 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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