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META标签的常见用法

1. Description：描述网页内容的摘要，一般在搜索引擎中显示。 2. Keywords：网页关键词，用于搜索引擎识别、分类和检索。 3. Author：网页作者的名字或组织机构。 4. Robots：搜索引擎蜘蛛的访问控制，如INDEX/FOLLOW（默认）、NOINDEX/FOLLOW、INDEX/NOFOLLOW、NOINDEX/NOFOLLOW。 5. Content-Type：指定网页的字符集和文件类型。 6. Refresh：指定网页的刷新方式和时间间隔。 7. Expires：指定网页的过期时间。 8. Generator：指定使用的编辑器或创建网页的软件名称。 9. Viewport：指定网页在移动设备上的布局方式和缩放比例。 10. Language：指定网页的主要语言。

Public @ 2023-03-26 00:00:17

如何设置canonical标签

canonical标签应该放置于页面的head里，代码示例如下：

Public @ 2023-02-25 03:36:05

时间因子设置规范

时间因子是指在项目计划中用来描述任务或活动的时间要求。以下是时间因子设置的规范： 1. 时间因子必须清晰明确，不能存在歧义或模糊不清的情况。 2. 时间因子必须基于可行性分析或实际经验，不能随意设定。 3. 时间因子必须考虑风险和不确定性，应留出合理的缓冲时间。 4. 时间因子必须遵守相关法律法规和公司政策，不能违反法律法规或公司要求。 5. 时间因子必须与资源和成本因素相互协调，不能过

Public @ 2023-04-28 16:50:12

META标签指南：哪些meta标签该用哪些不该用？

META标签是网页代码中HEAD区的一个关键标签，其提供的信息虽然用户不可见，但却是文档的最基本的元信息。说起meta标签，许多SEOer的第一反应就是K与D：keywords和description。这两种标签是在优化过程中最常用的也是被谈论最多的。但实际上meta标签远远不止这两个，作用也是随着属性的不同而各种各样。需要注意的前提是，从SEO角度而言，在各种意义上页面的代码都是越精简越好，以下

Public @ 2020-01-30 16:08:27

META标签的常见用法

最近，Danny Sullivan谈到了如何处理的搜索引擎meta标签的问题，以下是一些关于在Google中如何处理这些问题的答案。多内容数值我们建议你把所有的Meta标签内容放在一个meta中。这将使得meta标签更易于读取并降低发生错误的概率。例如：<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">

Public @ 2011-06-08 16:08:27

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[ DB ] CONNECT:[ UseTime:0.023194s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016588s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6319 LIMIT 1 [ RunTime:0.015615s ]
[ 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:0.015935s ]
[ 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:0.016166s ]
[ 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:0.017088s ]
[ 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` = 6319 LIMIT 1 [ RunTime:0.015772s ]
[ 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=6319 [ RunTime:0.017946s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站页面优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.022971s ]
[ 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` = '威海网站页面优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034613s ]
[ 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META标签' AND `status` <> -1 LIMIT 1 [ RunTime:0.023169s ]
[ 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META标签' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039099s ]
[ 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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