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禁止收录机制

有些时候，站长并不希望某些页面被抓取和收录，如付费内容、测试阶段的页面、复制内容页面等。网站上不出现链接，或者使用JavaScript、Flash链接，使用nofollow等方法都不能保证页面一定不会被收录。站长自己虽然没有链接到不想被收录的页面，其他网站可能由于某种原因出现导入链接，导致页面被收录。

要确保页面不被收录，需要使用robots文件或Meta Robots标签。

来源：搜外网

Public @ 2017-07-11 16:21:36

站点地图创建方法

创建站点地图的方法如下： 1.确定网站结构：确定网站的目录结构和分类，以及网页之间的链接关系。 2.创建XML文件：将网站的链接和网页信息保存在一个XML文件中。 3.注册站点：将站点地图提交给主要的搜索引擎（如Google、Baidu等）进行注册。 4.检查更新：每次网站更新，都需要更新站点地图，以保持站点地图的完整性和准确性。 5.使用工具：使用在线工具或插件轻松创建站点地图，例如：

Public @ 2023-04-25 08:50:07

URL为什么静态化

现在的网站绝大多数是数据库驱动，页面由程序实时生成，而不是真的在服务器上有一个静态HTML文件存在。当用户访问一个网址时，程序根据URL中的参数调用数据库数据，实时生成页面内容。因此动态页面相对应的URL原始状态也是动态的，包含问号、等号及参数。更麻烦的是有时某些参数可以是任意值，服务器都能正常返回页面，虽然内容全是一样或非常相似的。例如，URL中的参数1234改为5678或其他数字，服务器很可能

Public @ 2022-02-17 16:11:07

禁止收录机制

有些时候，站长并不希望某些页面被抓取和收录，如付费内容、测试阶段的页面、复制内容页面等。网站上不出现链接，或者使用JavaScript、Flash链接，使用nofollow等方法都不能保证页面一定不会被收录。站长自己虽然没有链接到不想被收录的页面，其他网站可能由于某种原因出现导入链接，导致页面被收录。要确保页面不被收录，需要使用robots文件或Meta Robots标签。来源：搜外网

Public @ 2017-07-11 16:21:36

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[ DB ] CONNECT:[ UseTime:0.022820s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016110s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5306 LIMIT 1 [ RunTime:0.015481s ]
[ 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:0.015912s ]
[ 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:0.016004s ]
[ 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:0.016128s ]
[ 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` = 5306 LIMIT 1 [ RunTime:0.015423s ]
[ 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=5306 [ RunTime:0.016526s ]
[ 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:0.022502s ]
[ 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:0.035174s ]
[ 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` = '威海禁止收录机制' AND `status` <> -1 LIMIT 1 [ RunTime:0.022855s ]
[ 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` = '威海禁止收录机制' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031446s ]
[ 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', ) ]

0.435811s

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