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robots使用技巧

以下是一些使用robots.txt文件的技巧和最好的做法： 1. 不要放弃robots.txt - 一些网站管理员没有robots.txt文件，因为他们认为这是保护网站的安全措施，但事实上它可能会影响搜索引擎爬取。 2. 维护一个更新的robots.txt文件 - 确保您的robots.txt文件不是过时的。如果您从网站上删除了某些页面或文件夹，请务必更新文件以反映更改。 3. 不要使用robots.txt来隐藏私人或敏感信息 - robots.txt文件不应该用于隐藏个人信息，如登录页面或敏感数据。如果您希望它们得到安全保护，最好使用其他安全措施。 4. 逐个声明规则 - 避免声明一大堆规则，而是按需要分开声明，以便搜索引擎更好地理解您的规则。 5. 警惕错误 - 如果您不熟悉robots.txt文件的语法或规则，最好使用在线工具来帮助您检测和修复可能的错误。 6. 不要使用禁用所有规则 - 避免声明禁用所有页面和机器人的规则。这些规则会阻止搜索引擎爬取您的网站，从而影响您的搜索引擎排名。 7. 深度限制 - 使用“深度”选项声明可以访问的文件夹层数，以帮助搜索引擎减少遍历您的网站的时间。 8. 关注机器人 - 使用“User-agent”选项指定要检查的机器人类型，并在需要时声明特定的规则。

Public @ 2023-05-28 16:00:31

nofollow标签的作用有重大变化

2019年9月10日，Google官方博客表示，nofollow属性将不再仅代表拒绝传递权重，而将拓展为三种属性：rel="sponsored"、rel="ugc"、rel="nofollow"。 1. rel=”sponsored” 该属性用于标示被广告赞助的链接，例如广告合作，展示商标，赞助商链接等。它是告诉搜索引擎，链接是被广告商赞助，而非独立推荐。 2. rel=”ugc” 该属性

Public @ 2023-04-26 02:50:15

url上使用#号好不好

一般来说，url当中的#号是一个锚点的标志位，这样的url打开之后会将访问者的视线定位在指定位置上，令访问者直接看到网页中间的一段内容。自从推特流行开始，#号被附予了新的意义——话题。很多站长直接在#号后面加参数且参数是有效的，即#号去掉与不去掉，打开的网页完全不同。目前百度对带#号URL的收录策略是：去掉#号后面的内容，仅对#号前面的url进行建库。这样就导致一些站长认为有意义有价值的页面，百度

Public @ 2014-09-14 16:11:09

robots 禁止快照

要防止所有搜索引擎显示您网站的快照，请将此元标记置入网页的 <HEAD> 部分：<meta name="robots" content="noarchive">要允许其他搜索引擎显示快照，但仅防止搜索引擎显示，请使用以下标记：<meta name="Baiduspider" content="noa

Public @ 2018-10-07 16:09:29

玩转robots协议

2013年2月8日北京市第一中级人民法院正式受理了百度诉奇虎360违反“Robots协议”抓取、复制其网站内容的不正当竞争行为一案，索赔金额高达一亿元，这可以看做2012年下半年“3B大战”的继续。在此次索赔案件中，百度称自己的Robots文本中已设定不允许360爬虫进入，而360的爬虫依然对“百度知道”、“百度百科”等百度网站内容进行抓取。其实早在2012年11月初，针对双方摩擦加剧的情况，在中

Public @ 2019-05-13 16:09:21

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:0.033366s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.023524s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.022794s ]
[ 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:0.023262s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.022353s ]
[ 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:0.023460s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8100 LIMIT 1 [ RunTime:0.022464s ]
[ 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:0.022777s ]
[ 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:0.023022s ]
[ 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:0.023170s ]
[ 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` = 8100 LIMIT 1 [ RunTime:0.022399s ]
[ 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=8100 [ RunTime:0.024946s ]
[ 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:0.032087s ]
[ 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:0.046960s ]
[ 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:0.029292s ]
[ 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:0.053496s ]
[ 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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