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Robots.txt 文件应放在哪里？

Robots.txt文件应放在网站的根目录下。

Public @ 2023-06-23 19:50:03

详解301永久重定向实现方法

1. 使用 Apache 服务器 Apache服务器最常用的方法是通过使用基于.htaccess的Apache的mod_alias模块。方法是添加以下内容的.htaccess文件到你想要重定向的网页目录： ``` Redirect 301 /oldpage.html http://www.yoursite.com/newpage.html ``` 2.使用 Nginx 服务器 N

Public @ 2023-03-07 12:00:13

什么是死链&;死链的标准

页面已经无效，无法对用户提供任何有价值信息的页面就是死链接，包括协议死链和内容死链两种形式：1）协议死链：页面的TCP协议状态/HTTP协议状态明确表示的死链，常见的如404、403、503状态等。2）内容死链：服务器返回状态是正常的，但内容已经变更为不存在、已删除或需要权限等与原内容无关的信息页面。目前内容死链召回存在召回率的风险，所以建议各位站长尽量使用协议死链，以保证平台工具更好地发挥其作用

Public @ 2011-08-11 15:36:58

常见的robots.txt文件用法实例

1. 下面是一个拒绝所有机器人访问的robots.txt： ``` User-agent: * Disallow: / ``` 2. 下面的robots.txt用于阻止百度搜索引擎访问整个站点： ``` User-agent: Baiduspider Disallow: / ``` 3. 下面的robots.txt文件用于阻止所有搜索引擎访问以private开头的任何URL： ```

Public @ 2023-02-25 11:48:12

robot.txt在SEO中的作用

鉴于网络安全与隐私的考虑，搜索引擎遵循robots.txt协议。通过根目录中创建的纯文本文件robots.txt，网站可以声明不想被robots访问的部分。每个网站都可以自主控制网站是否愿意被搜索引擎收录，或者指定搜索引擎只收录指定的内容。当一个搜索引擎的爬虫访问一个站点时，它会首先检查该站点根目录下是否存在robots.txt，如果该文件不存在，那么爬虫就沿着链接抓取，如果存在，爬虫就会按照该文

Public @ 2023-01-27 16:09:31

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.022036s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015692s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9329 LIMIT 1 [ RunTime:0.014981s ]
[ 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:0.015220s ]
[ 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:0.015669s ]
[ 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:0.015939s ]
[ 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` = 9329 LIMIT 1 [ RunTime:0.014817s ]
[ 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=9329 [ RunTime:0.015844s ]
[ 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:0.022365s ]
[ 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:0.036001s ]
[ 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Robots' AND `status` <> -1 LIMIT 1 [ RunTime:0.022234s ]
[ 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Robots' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032155s ]
[ 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', ) ]

0.406024s

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