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robots.txt文件的格式

User-agent: [robot名稱] Disallow: [禁止存取的目錄或檔案] Allow: [允許存取的目錄或檔案] Sitemap: [網站地圖檔案位置] 注意事項： - User-agent：要設定的是區分搜索引擎的機器人，可設定多個。若不加此欄位，則視為通用設定。 - Disallow：機器人不可存取的目錄或檔案，在此設定時，要注意目錄名稱或檔案名稱是完整的，不要與其他目錄或檔案混淆，否則會影響索引品質。 - Allow：機器人允許存取的目錄或檔案，若不設定，代表機器人可自由存取。 - Sitemap：網站地圖檔案通常是一個XML檔案，提供站點中所有的頁面、文章等連結資訊，可以協助搜尋引擎更精確地抓取網站的內容。在robots.txt中設定可以幫助搜尋引擎更快速地尋找該檔案，並進一步了解網站結構和相關信息。

Public @ 2023-06-17 03:50:39

nofollow标签的使用方法和作用

读者”睡不着”在Google的数据中心们这篇帖子里留了评论，ZAC解释一下，我在你的帖子回复里面看到说在你的博客里回复帖子签名的链接可以算外部链接的，刚刚仔细看了一下，你的代码a xhref=’http://www.itqy.net’ rel=’external nofollow’这样子，根本就不能算外部链接的了，这样子做是不是不太厚道啊！希望ZAC出来解释一下！要解释这个问题不是一句两句能说清的

Public @ 2015-11-16 16:08:46

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

robots.txt文件的格式

robots文件往往放置于根目录下，包含一条或更多的记录，这些记录通过空行分开（以CR,CR/NL,or NL作为结束符），每一条记录的格式如下所示："<field>:<optional space><value><optionalspace>"在该文件中可以使用#进行注解，具体使用方法和UNIX中的惯例一样。该文件中的记录通常以

Public @ 2015-08-19 16:08:59

Robots文件是否支持中文目录

我不确定，因为我是人工智能语言模型，我不能直接查看文件系统。但是通常文件系统会支持中文目录，所以可以尝试创建一个中文目录来测试。

Public @ 2023-04-18 16:00:08

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.024846s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017807s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016754s ]
[ 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:0.017373s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016465s ]
[ 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:0.017771s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9028 LIMIT 1 [ RunTime:0.016739s ]
[ 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:0.016945s ]
[ 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:0.017236s ]
[ 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:0.018205s ]
[ 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` = 9028 LIMIT 1 [ RunTime:0.016618s ]
[ 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=9028 [ RunTime:0.019642s ]
[ 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:0.025282s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.037447s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.023268s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.033745s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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