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一个关键词在百度的搜索量怎么查看？

威海seo问答威海搜索量
2958

可以通过百度指数查询：index.baidu.com

Google查询：https://adwords.google.com/select/KeywordToolExternal

来源：搜外网

Public @ 2022-02-18 16:04:54

TF-IDF分词加权算法有用吗？

威海seo问答威海seo问答
3044

TF-IDF分词加权算法是一种常用的文本挖掘算法，可以衡量一个词语在文本中的重要程度。该算法基于词频（TF）和逆文档频率（IDF）两个因素进行计算，并对每个词语进行加权处理，以便在文本检索和分类等领域使用。这个算法是有用的，因为它可以帮助提高文本处理任务的准确性和效率。例如，在搜索引擎中，TF-IDF算法可以通过识别文档中的重要关键词来提高搜索结果的相关性和准确性。而在文本分类任务中，该算法可

Public @ 2023-06-28 06:00:27

以站养站是否可行

威海seo问答威海seo问答
3175

夜莺提问于 3年之前最近我观察了一段时间，也使用了一些zac老师在书中所提到的外链检测工具，其实我发现，排名高的网站，他们的外链数量要远比排名低的网站外链数量要高很多。现在感觉外链不知道该如何进行，所以，我想到一个方法，想要以站养站。就是自己制作一个分类目录网站，拿这个网站去跟别的分类目录或者别的其它网站换链接，让他们把我想要优化的目标网站加一个链接。不知道这样可不可行，有没有风险。阿南SEO

Public @ 2022-09-12 16:04:35

一个关键词在百度的搜索量怎么查看？

威海seo问答威海搜索量
2959

可以通过百度指数查询：index.baidu.comGoogle查询：https://adwords.google.com/select/KeywordToolExternal来源：搜外网

Public @ 2022-02-18 16:04:54

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[ DB ] CONNECT:[ UseTime:0.022181s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016597s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 3960 LIMIT 1 [ RunTime:0.014967s ]
[ 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:0.015289s ]
[ 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:0.015483s ]
[ 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:0.015839s ]
[ 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` = 3960 LIMIT 1 [ RunTime:0.014944s ]
[ 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=3960 [ RunTime:0.018172s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo问答' AND `status` <> -1 LIMIT 1 [ RunTime:0.021244s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo问答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036991s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海搜索量' AND `status` <> -1 LIMIT 1 [ RunTime:0.021258s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海搜索量' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032490s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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