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RobotsMETA标签的写法

Robots META标签中没有大小写之分，name="Robots"表示所有的搜索引擎，可以针对某个具体搜索引擎写为name="BaiduSpider"。 content部分有四个指令选项:index、noindex、follow、nofollow，指令间以","分隔。

INDEX 指令告诉搜索机器人抓取该页面;

FOLLOW 指令表示搜索机器人可以沿着该页面上的链接继续抓取下去;

Robots Meta标签的缺省值是INDEX和FOLLOW，只有inktomi除外，对于它，缺省值是INDEX,NOFOLLOW。

这样，一共有四种组合:

<META NAME="ROBOTS" CONTENT="INDEX,FOLLOW">

<META NAME="ROBOTS" CONTENT="NOINDEX,FOLLOW">

<META NAME="ROBOTS" CONTENT="INDEX,NOFOLLOW">

<META NAME="ROBOTS" CONTENT="NOINDEX,NOFOLLOW">

其中

<META NAME="ROBOTS" CONTENT="INDEX,FOLLOW">可以写成<META NAME="ROBOTS" CONTENT="ALL">;

<META NAME="ROBOTS" CONTENT="NOINDEX,NOFOLLOW">可以写成<META NAME="ROBOTS" CONTENT="NONE">

目前看来，绝大多数的搜索引擎机器人都遵守robots.txt的规则，而对于Robots META标签，目前支持的并不多，但是正在逐渐增加，如著名搜索引擎GOOGLE就完全支持，而且GOOGLE还增加了一个指令"archive"，可以限制GOOGLE是否保留网页快照。例如:

<META NAME="googlebot" CONTENT="index,follow,noarchive">

表示抓取该站点中页面并沿着页面中链接抓取，但是不在GOOLGE上保留该页面的网页快照。

来源：360站长平台

Public @ 2019-11-07 16:09:03

Windows IIS下论坛静态化分析

这两天研究Discuz 4.1，并成功地将原来一个Discuz 2.5的论坛升级到了最新版本，个人感觉这个论坛实在不错。我的Discuz 4.1是在Apache＋Php＋Mysql下运行的，并开启了Url Rewrite，之后我发现整个论坛的大部分页面都可以使用html的静态地址方式来访问，感觉真不错，Apache实在太强大了，难怪现在用Apache的站点那么多。IIS下能否也实现这种静态化功能呢

Public @ 2014-12-25 16:11:10

网站结构及链接机构如何优化

网站结构包含：“物理结构”和“逻辑结构优化”两部分。物理结构优化网站物理结构指的是网站目录及所包含文件所存储的真实位置所表现出来的结构，物理结构一般包含两种不同的表现形式：扁平式物理结构和树形物理结构。对于小型网站来说，所有网页都存放在网站根目录下，这种结构就是扁平式物理结构。采用扁平式物理结构的网站。这种扁平式物理结构对搜索引擎而言是最为理想的，因为只要一次访问即可遍历所有页面。但是，如果网站页

Public @ 2018-09-17 16:11:36

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

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

常见Robots名字

名称搜索引擎google蜘蛛: googlebot百度蜘蛛:baiduspideryahoo蜘蛛:slurpalexa蜘蛛:ia_archivermsn蜘蛛:msnbotaltavista蜘蛛:scooterlycos蜘蛛: lycos_spider_(t-rex)alltheweb蜘蛛: fast-webcrawler/inktomi蜘蛛: slurp一个在线写robots.txt的工具。最后

Public @ 2013-05-19 16:09:03

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:0.022500s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015884s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4392 LIMIT 1 [ RunTime:0.015151s ]
[ 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:0.015383s ]
[ 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:0.015608s ]
[ 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:0.015946s ]
[ 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` = 4392 LIMIT 1 [ RunTime:0.015036s ]
[ 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=4392 [ RunTime:0.016607s ]
[ 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:0.020453s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.037662s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.024057s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.033684s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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