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设置搜索robots协议的后果

设置搜索robots协议的后果

针对短视频类内容，视频搜索将不再索引、展现网站的视频资源，历史已索引部分会从搜索中屏蔽。若设置部分目录不希望被收录，该目录下内容将从搜索中屏蔽，其余内容在搜索中则以正常结果展示。

来源：百度搜索资源平台

Public @ 2021-05-12 16:09:00

robots使用误区

1. 不需要在每个页面都添加robots.txt文件：robots.txt文件只是一份给搜索引擎看的指令，如果不希望搜索引擎从该页面抓取数据，那么每一页都是可以不用添加robots.txt文件的。 2. 不能用于移动设备：robots.txt文件可用于搜索引擎爬虫，但也可以在部分机型的移动设备上进行yu处理，可以用于控制移动设备的蜘蛛爬行进行内容抓取。 3. 不应该将robots保存到公用

Public @ 2023-03-03 14:00:19

我的网站同时有多种格式。需要都列出来吗？

请在 Sitemap 中只列出一种格式的网址。包含多种格式的网址可能会导致抓取工具无法完整地抓取网站。

Public @ 2010-02-06 16:11:54

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

Public @ 2012-09-17 16:08:56

robots.txt语法教程

用几个最常见的情况，直接举例说明:1. 允许所有SE收录本站:robots.txt为空就可以，什么都不要写。2. 禁止所有SE收录网站的某些目录:User-agent: *Disallow: /目录名1/Disallow: /目录名2/Disallow: /目录名3/3. 禁止某个SE收录本站，例如禁止百度:User-agent: BaiduspiderDisallow: /4. 禁止所有SE收录

Public @ 2017-12-16 16:09:16

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[ DB ] CONNECT:[ UseTime:0.022114s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015642s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4385 LIMIT 1 [ RunTime:0.015058s ]
[ 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:0.015185s ]
[ 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:0.015439s ]
[ 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:0.015923s ]
[ 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` = 4385 LIMIT 1 [ RunTime:0.014861s ]
[ 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=4385 [ RunTime:0.021955s ]
[ 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:0.022026s ]
[ 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:0.035850s ]
[ 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:0.021592s ]
[ 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:0.032632s ]
[ 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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