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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
2395

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
2344

小杰提问于 3年之前Zac您好，想问一下现在利用TF-IDF算法来提高网页关键词权重还有效果吗？1 个回答Zac 管理员回答于 3年之前当然有效果。就我所知，现在的搜索引擎算法相关性的计算还是以TF-IDF为基础的，当然会复杂得多，但TF-IDF依然是基础之一。TF-IDF是计算文件与查询词相关性时，表述查询词中的每个词对整体查询词相关性贡献程度的。简单粗暴并且不大准确地说，两个结论：词频

Public @ 2020-02-28 15:53:49

您的网站地图爬虫是自己写的吗？

威海seo问答威海seo问答
2228

james 提问于 1年之前请问Zac大佬，您的爬虫是自己写的吗，可以付费或者免费分享吗？1 个回答Zac 管理员回答于 1年之前当然不是啊。生成网站地图是任何CMS的标配，或至少有插件可用。我博客用的WordPress，WordPress本身从5.5版本已经有内置生成sitemap.xml功能，也有很多插件，搜索wordpress sitemap.xml plugin可以看到一大堆。我博客

Public @ 2011-01-20 15:54:18

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
2397

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:0.024154s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017410s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 3960 LIMIT 1 [ RunTime:0.016336s ]
[ 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:0.016554s ]
[ 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:0.016824s ]
[ 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:0.017170s ]
[ 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:0.016375s ]
[ 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=3960 [ RunTime:0.018666s ]
[ 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:0.022967s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.037797s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.023474s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.033447s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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