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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

WorldWideWeb

威海seo术语威海www
1922

也称为全球网或许万维网或许简略成为“互互相相链接的网页所形成的网络，这些网页展现内容或许答应网络访客和具有网站的安排之间互相发作互动。

Public @ 2009-08-15 15:51:55

着陆页（LandingPage）

威海seo术语威海着陆页
1514

进入页面的一种，不过着陆页碰上重于优化转化率的概念，而不是流量剖析概念，着陆而指的是网络营销人员专门规划的招引用户拜访，而且经过各种办法进步用户转化的一组进入页面。

Public @ 2010-05-14 15:51:46

要害词密度（keyworddensity）

要害词密度（Keyword Density）是指在文章、网页、博客等文本内容中，某个关键词出现的频率与总字数的比例。通常，要害词密度应该控制在2%-5%之间，这样能够有助于提升文章的排名和搜索引擎优化效果。但是过度强调要害词密度可能会导致文章读起来不自然、脱离实际，因此写作时要遵循正常的语言表达方式，不要过分堆砌要害词。

Public @ 2023-04-04 13:00:09

要害词密度（keyworddensity）

要害词密度指在一篇文章中，关键词出现的频率与总词数的比例。它通常用于搜索引擎优化的分析中，可以判断一篇文章是否用关键词过多或者过少。在优化文章时，要害词密度需要保持在适当的范围内，不仅要考虑搜索引擎优化的需要，还要保证文章的可读性和质量。因此，要害词密度不应成为制约文章的因素，而应该与内容和流畅度相结合，达到最佳效果。

Public @ 2023-04-15 04:50:12

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[ DB ] CONNECT:[ UseTime:0.010680s ] mysql:dbname=briline;host=127.0.0.1;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.000967s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2702 LIMIT 1 [ RunTime:0.000561s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.000837s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, '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:0.001048s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, '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:0.001193s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2702 LIMIT 1 [ RunTime:0.000334s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=2702 [ RunTime:0.042469s ]
[ 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:0.010267s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, '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:0.034261s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, '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:0.006165s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, '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:0.017521s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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