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什么是错误链接？

根本不存在的链接，就是错误链接。

错误链接与死链接的区别：

错误链接是由于用户的疏忽，请求的链接不存在。

死链接是原来访问正常，后来因为网站的变故而不能访问。

发生错误链接的情况：

用户对域名拼写错误。

URL地址书写错误。

URL后缀多余了或缺少了斜杆。

URL地址中出现的字母大小写不完全匹配。

来源：搜外网

Public @ 2018-05-24 16:21:34

robots 禁止快照

要防止所有搜索引擎显示您网站的快照，请将此元标记置入网页的 <HEAD> 部分：<meta name="robots" content="noarchive">要允许其他搜索引擎显示快照，但仅防止搜索引擎显示，请使用以下标记：<meta name="Baiduspider" content="noa

Public @ 2018-10-07 16:09:29

博客网站导航的制作

1.首先要对网站进行分类：例如把所有的网站按分类，可以按照新闻、购物、娱乐、学习等来划分； 2.根据每个分类的特点，分别挑选几个最受大家欢迎的网站，如新闻方面可选择新浪、凤凰等，购物方面可选择淘宝、京东等； 3.确定好标题，根据每一类的网站的特点确定最简单的和一个看到就能理解的标题，如新闻类可以确定为“新闻播报”，购物类可以确定为“精品购物”等； 4.确定好网站链接和图标，把各个网站图标

Public @ 2023-02-24 21:00:33

什么是错误链接？

根本不存在的链接，就是错误链接。错误链接与死链接的区别：错误链接是由于用户的疏忽，请求的链接不存在。死链接是原来访问正常，后来因为网站的变故而不能访问。发生错误链接的情况：用户对域名拼写错误。URL地址书写错误。URL后缀多余了或缺少了斜杆。URL地址中出现的字母大小写不完全匹配。来源：搜外网

Public @ 2018-05-24 16:21:34

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.020235s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014707s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5300 LIMIT 1 [ RunTime:0.013622s ]
[ 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:0.013937s ]
[ 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:0.014355s ]
[ 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:0.014848s ]
[ 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` = 5300 LIMIT 1 [ RunTime:0.014265s ]
[ 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=5300 [ RunTime:0.016116s ]
[ 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:0.020751s ]
[ 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:0.035142s ]
[ 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` = '威海错误链接' AND `status` <> -1 LIMIT 1 [ RunTime:0.021480s ]
[ 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` = '威海错误链接' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030720s ]
[ 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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