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robot 禁止抓取图片

User-agent: *

Disallow: .jpg$

jpg可以代替为gif，png 等等...

Public @ 2020-04-11 16:09:30

什么是链接结构

网站结构的第二意义指的是链接结构，或称为逻辑结构，也就是网站内部链接形成的链接的网络图。比较合理的链接结构通常是树形结构。当然，对于搜索引擎来说更重要的是链接结构，而不是物理结构。不少人有误解，认为物理结构比较深的页面不容易被搜索引擎收录，比如说：http://www.seowhy.com/cat1/cat1-1-1/pageA.html如果这个页面在网站首页上有一个链接，对搜索引擎来说它就是一个

Public @ 2009-11-25 16:11:35

绝对路径的优点和缺点

绝对路径的优点是：1.网站有RSS输出时，内容会被一些Feed聚合网站抓取显示。同样，页面里指向原网站的链接会被保留。2.如果有人抄袭、采集你的文章，抄袭者比较懒，连页面里面的链接一起原封不动抄过去，绝对路径链接还会指向你的网站，增加网站外链权重。3.就算网页移动位置，里面链接还是指向正确URL。4.有助于预防和解决网址规范化问题。绝对路径的缺点是：1.代码比较多。2.除非链接是动态插入的，不然不

Public @ 2014-08-18 16:11:48

百度robots中的user-agent

百度各个产品使用不同的user-agent:无线搜索Baiduspider-mobile图片搜索Baiduspider-image视频搜索Baiduspider-video新闻搜索Baiduspider-news百度搜藏Baiduspider-favo百度联盟Baiduspider-cpro商务搜索Baiduspider-ads网页以及其他搜索Baiduspider来源：360站长平台

Public @ 2022-11-11 16:09:02

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

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.025162s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018095s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4447 LIMIT 1 [ RunTime:0.017044s ]
[ 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:0.017363s ]
[ 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:0.017611s ]
[ 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:0.017842s ]
[ 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` = 4447 LIMIT 1 [ RunTime:0.016962s ]
[ 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=4447 [ RunTime:0.017938s ]
[ 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:0.023972s ]
[ 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:0.040920s ]
[ 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:0.023598s ]
[ 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:0.036730s ]
[ 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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