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关键词密度多少比较好？

一般来说，关键词密度在2%-4%比较合适，超过4%可能会被认为是过多的关键词排版。过高的关键词密度可能会被认为是“关键词堆积”，也可能会被搜索引擎当作恶意优化，而出现被惩罚的情况。

Public @ 2023-02-24 07:24:09

什么情况下热搜关键词不是目标关键词？

当关键词正在受到严重歧视、攻击或情绪活动等非正常情况下，其在搜索引擎上的热点可能超过了其真正的搜索需求，导致热搜关键词并不是目标关键词。

Public @ 2023-02-24 00:55:09

【院长帮帮忙】我的网站排名为什么突然下降？（第十期）

院长帮帮忙，为什么我的网站排名突然下降？首先，网站排名突然下降可能是由于多种原因导致的。下面列出了一些可能的原因和解决方法供您参考： 1. 搜索算法更新：搜索引擎可能会对其算法进行更新，这可能导致网站排名变化。您可以通过了解算法更新的内容，并对自己的网站进行相应的优化来应对这种情况。 2. 内容质量下降：如果您的网站内容质量下降或过时，搜索引擎可能会将您的网站排名降低。确保您的内容优质、有

Public @ 2023-07-28 16:00:45

什么是关键词密度

关键词密度是关键词字符总长度与页面文本内容总长度的比值，是形容关键词在网页中出现情况的标准，通常以百分比的形式出现。下面是关键词密度的计算公式：关键词密度=关键词字符总长度/页面文本内容字符总长度X100%比如在一个页面中文本总内容为一些内容(实际中内容可能较多，便于说明我们以一段话表示)：“今天我们观看了爱站网seo培训视频教程并学会了seo基础教程中的关键词密度的计算方法”那么我们要计算seo

Public @ 2013-01-02 15:17:56

关键词密度多少比较好？

一般来说，关键词密度在2%-4%比较合适，超过4%可能会被认为是过多的关键词排版。过高的关键词密度可能会被认为是“关键词堆积”，也可能会被搜索引擎当作恶意优化，而出现被惩罚的情况。

Public @ 2023-02-24 07:24:09

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[ DB ] CONNECT:[ UseTime:0.021284s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015607s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014465s ]
[ 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:0.015458s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014307s ]
[ 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:0.015481s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5624 LIMIT 1 [ RunTime:0.014409s ]
[ 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:0.014812s ]
[ 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:0.015078s ]
[ 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:0.015931s ]
[ 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` = 5624 LIMIT 1 [ RunTime:0.014377s ]
[ 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=5624 [ RunTime:0.018430s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海关键词优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.021294s ]
[ 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` = '威海关键词优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033433s ]
[ 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` = '威海关键词密度' AND `status` <> -1 LIMIT 1 [ RunTime:0.022222s ]
[ 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` = '威海关键词密度' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.029806s ]
[ 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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