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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

蜘蛛程序圈套（spidertrap）

蜘蛛圈套指的是由于网站结构的某种特征，使查找引擎堕入无限循环，无法中止匍匐，最典型的蜘蛛圈套是某些页面上的万年历，查找引擎可以一向单击下一个月堕入无限循环。　　蜘蛛程序圈套是阻挠蜘蛛程序爬些网页显现的技能办法，这些办法能很好地合作阅览器，但对蜘蛛程序就构成了阻止，蜘蛛圈套包含Javascript下拉菜单以及有些品种的重定向。

Public @ 2019-06-07 15:26:24

相关的链接（relationallink）

由于您并没有告诉我您需要哪些链接，因此无法为您提供相关的链接。请提供更具体的信息，我将尽力为您服务。

Public @ 2023-04-23 09:00:03

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

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

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[ DB ] CONNECT:[ UseTime:0.022256s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015817s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014882s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.015820s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014752s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016018s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6774 LIMIT 1 [ RunTime:0.014864s ]
[ 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:0.015225s ]
[ 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:0.015414s ]
[ 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:0.015400s ]
[ 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` = 6774 LIMIT 1 [ RunTime:0.014777s ]
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[ SQL ] update `ob_article` set views=views+2 where id=6774 [ RunTime:0.018393s ]
[ 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:0.022141s ]
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[ 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:0.023137s ]
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[ 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:0.031123s ]
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