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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

XML格式中，“priority”提示会影响结果排名吗？

不会。Sitemap 中的“priority”提示只是说明该网址相对于您自己网站上其他网址的重要性，并不会影响网页在搜索结果中的排名。

Public @ 2012-07-30 16:11:53

Sitemap文件标准格式和大小说明

1、格式：您可以采用如下三种格式的文件向360搜索提交Sitemap，文件编码可以是UTF-8或GBK： 1）标准的XML格式文件 2）文本格式文件 3）Sitemap索引文件（可同时包含多个Sitemap文件）2、大小： 1）单个Sitemap文件：大小不超过10MB，且包含不超过50000个网址。如果网站所包含的网址超过50,000个，则可将列表分割成多个Sitemap文件，放在Sitemap

Public @ 2010-11-01 16:11:51

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:0.020285s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014495s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5306 LIMIT 1 [ RunTime:0.013658s ]
[ 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:0.014035s ]
[ 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:0.014165s ]
[ 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:0.014701s ]
[ 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:0.013677s ]
[ 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=5306 [ RunTime:0.014655s ]
[ 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:0.019586s ]
[ 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:0.043945s ]
[ 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:0.019712s ]
[ 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:0.030874s ]
[ 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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