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Robots META标签的写法

如果您想让搜索引擎忽略某些网页，可以使用"robots" META标签。以下是这种标签的写法： ```html ``` 上述标签将告诉搜索引擎不要索引或跟踪该网页。下面是一些其他常见的指令： - "index" 将指令搜索引擎索引该页面。 - "follow" 将指令搜索引擎跟踪此页面上的链接。 - "noindex" 将指令搜索引擎不要索引此页面。 - "nofollow" 将指令搜索引擎不要跟踪此页面上的链接。 - "none" 将指令搜索引擎既不索引该页面，也不跟踪与该页面相关的链接。您可以在"content"部分中使用逗号分隔多个指令。例如，以下标签将告诉搜索引擎不要索引此页面并且不要跟踪此页面上的链接： ```html ```

Public @ 2023-04-08 21:50:38

链接深度是什么

链接深度是指一个网站内部链接的层级深度。在一个网站中，主页是深度为0的页面，主页上的链接指向的页面的深度为1，依此类推。深度越大，表示页面与主页之间的链接路径越长。通过了解链接深度可以帮助优化网站结构，提高搜索引擎的抓取效率和用户的浏览体验。

Public @ 2023-07-30 21:00:10

sitemap提交后，还需要大量的人力进行维护吗？

不需要，您可以根据具体情况进行定期维护。

Public @ 2019-06-11 16:11:56

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

常见的robots.txt文件用法实例

常见的robots.txt文件用法实例：1、禁止所有搜索引擎抓取网站的任何部分User-agent: *Disallow: /这是禁止所有目录和文件被所有搜索引擎收录。网站还没上线时，有的会先屏蔽所有蜘蛛抓取。2、允许所有的spider抓取（或者也可以建一个空的robots.txt文件）User-agent: *Allow: /这是允许所有搜索引擎抓取网站的任何部分，既然是允许所有文件被抓取，可以

Public @ 2010-05-21 16:09:23

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:0.024331s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017390s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6972 LIMIT 1 [ RunTime:0.016426s ]
[ 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:0.016584s ]
[ 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:0.017021s ]
[ 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:0.017666s ]
[ 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` = 6972 LIMIT 1 [ RunTime:0.016298s ]
[ 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=6972 [ RunTime:0.017305s ]
[ 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:0.023505s ]
[ 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:0.040292s ]
[ 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:0.026568s ]
[ 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:0.034299s ]
[ 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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