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交换友情链接一定需要交换同行业的吗？交换多少条

交换友情链接最佳情况是同行业的，不过很多同行都未必愿意跟你换链接，这个时候可以找权重和排名差不多的其他类型的网站来做交换也可以！交换友情链接的数量最佳建议是40条左右不超过50条就好了，多了也没用！

Public @ 2020-10-10 15:20:16

友链的作用有多大？如何交换友链？

友链的作用可以说是相当重要的。友链交换可以增加网站的流量和曝光度，提高网站的权重和排名，同时也有助于建立起跨站点的合作和互信关系。通过友链交换，可以吸引更多的访客和读者，促进内容传播，进而提升网站的影响力和知名度。交换友链的方式其实很简单，一般是通过在两个网站之间放置相互的链接而实现的。如果想要交换友链，可以先寻找和自己网站主题相关的其他网站，并向对方发送友链申请，表达自己的交换意愿。在交换友

Public @ 2023-06-08 02:50:12

与网址导航站交换链接，行吗？

不行。网址导航站的网站链接的数量和多样性都是比较固定的，而且一般受到严格的审核，所以不建议进行交换链接。

Public @ 2023-02-24 23:00:09

友链的作用有多大？如何交换友链？

友链的作用可以说是相当重要的。友链交换可以增加网站的流量和曝光度，提高网站的权重和排名，同时也有助于建立起跨站点的合作和互信关系。通过友链交换，可以吸引更多的访客和读者，促进内容传播，进而提升网站的影响力和知名度。交换友链的方式其实很简单，一般是通过在两个网站之间放置相互的链接而实现的。如果想要交换友链，可以先寻找和自己网站主题相关的其他网站，并向对方发送友链申请，表达自己的交换意愿。在交换友

Public @ 2023-06-08 02:50:12

博客友情链接的风险和规避

最近一次的Google Pagerank的更新，很多博客的PR降低了，而门户网站的PR却普遍升高，信产部备案网站的PR更升到了10，这种变动是否表明Google正在降低博客网站的权重还是一个疑问，但我注意到很多内容很好的博客都被降权实在令人不解，我这里就分析一下门户网站没有而博客特有的“友情链接”存在的风险以及规避方法。友情链接是博客网站之间相互推广的一个方式，通常是由博客网站和个人网站才有，具有

Public @ 2011-06-04 15:20:11

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[ DB ] CONNECT:[ UseTime:0.029049s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021521s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 359 LIMIT 1 [ RunTime:0.019719s ]
[ 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:0.019902s ]
[ 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:0.020046s ]
[ 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:0.020134s ]
[ 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` = 359 LIMIT 1 [ RunTime:0.019505s ]
[ 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=359 [ RunTime:0.020293s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海外部链接建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.026208s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037179s ]
[ 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` = '威海友情链接' AND `status` <> -1 LIMIT 1 [ RunTime:0.026421s ]
[ 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` = '威海友情链接' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035777s ]
[ 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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