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要害词密度（keyworddensity）

要害词密度（KeywordDensity）与要害词频率（KeywordFrequency）所论述的实质上是同一个概念，用来测量要害词在网页上呈现的总次数与其他文字的份额，一般用百分比表明，相关于页面总字数而言，要害词呈现的频率越高，要害词密度也就越大。

Public @ 2010-07-01 15:51:49

权威性网页（authoritypage）

就是某个主题有许多链接所指向的网页。

Public @ 2015-08-18 15:51:41

相关性（relevance）

威海seo术语威海相关性
1748

相关性指的是与某个主题或目标有紧密联系的程度或程度。例如，在搜索引擎中，相关性是指搜索结果与用户查询或关键字的主题或意图的匹配程度。在广告营销中，相关性是指广告与受众的需求或兴趣相匹配的程度。在信息组织和分类中，相关性是指将相关的信息组织在一起，使其易于访问和使用。相关性是评估信息的质量和可用性的重要指标。

Public @ 2023-04-15 01:00:11

要害词密度（keyworddensity）

，改善写作质量有着不可替代的作用。关键词密度可以帮助您提高文章的可读性，使读者易于理解并快速地来理解文章的主题。文章中的关键词越多，也就意味着文章将包含越多有用的信息，使读者可以阅读内容的深入了解甚至研究。而关键词密度的改善，可以帮助作者修改文章，以确保其中所包含的关键词与这些关键词之间的平衡。此外，关键词密度还可以帮助检查文章是否触及相关主题。当文章涉及特定关键词时，可以使用关键词密度进

Public @ 2023-03-01 18:48:29

要害词密度（keyworddensity）

要害词密度（KeywordDensity）与要害词频率（KeywordFrequency）所论述的实质上是同一个概念，用来测量要害词在网页上呈现的总次数与其他文字的份额，一般用百分比表明，相关于页面总字数而言，要害词呈现的频率越高，要害词密度也就越大。

Public @ 2010-07-01 15:51:49

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[ DB ] CONNECT:[ UseTime:0.025821s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018387s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2702 LIMIT 1 [ RunTime:0.017980s ]
[ 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:0.018618s ]
[ 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:0.018320s ]
[ 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:0.018233s ]
[ 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` = 2702 LIMIT 1 [ RunTime:0.017634s ]
[ 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=2702 [ RunTime:0.018954s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 LIMIT 1 [ RunTime:0.024374s ]
[ 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seo术语' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037976s ]
[ 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` = '威海要害词密度' AND `status` <> -1 LIMIT 1 [ RunTime:0.025001s ]
[ 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` = '威海要害词密度' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036787s ]
[ 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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