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外链资源是什么意思?

外链资源指的是在网页上通过外部链接的形式访问的资源，这些资源可能来自另一个网站，而不是访问的网站所托管的内容。例如，来自社交网站的图片，YOUTUBE视频或外部资源的博客或新闻文章等均为外部链接资源。

Public @ 2023-02-25 01:36:11

行业用品网站怎样建设外链？

去年6月写了个帖子《外链现在对SEO还有用吗》，时间过得真快啊，又是6月了。那篇帖子有读者留言：zac你好关于五金制造的企业站如何增加外链呢这个行业不是说有多好的内容就会有人转载的也不会写出很多有用的花儿出来供大家看供大家转载据我所知企业站的站长基本上都是在b2b发布信息的时候留下锚文字一部分人养几个博客仅此而已现在大部分b2b网站还自动屏蔽锚文字我分析我们的行业大部分做的好的

Public @ 2022-04-03 16:20:52

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

影响外部链接价值的因素有哪些？

可以影响外部链接价值的因素列举如下：页面上链接的位置与其他链接的关系(周围有很多其他链接？还是包含在没有其他链接的正文内容中?)。源域名信任度(基于与被信任的种子网站链接距离的迭代计算，也就是 TrustRank)。链接传递的PR值数量(例如页面具备的可传递的PR值除以页面上的链接数)。源域名整体权威度重要性(基于整站链接的迭代计算)。页面正文内容中的链接位置(不是侧导航、页脚等)链接来源页面与目

Public @ 2018-09-21 16:21:24

行业用品网站怎样建设外链？

去年6月写了个帖子《外链现在对SEO还有用吗》，时间过得真快啊，又是6月了。那篇帖子有读者留言：zac你好关于五金制造的企业站如何增加外链呢这个行业不是说有多好的内容就会有人转载的也不会写出很多有用的花儿出来供大家看供大家转载据我所知企业站的站长基本上都是在b2b发布信息的时候留下锚文字一部分人养几个博客仅此而已现在大部分b2b网站还自动屏蔽锚文字我分析我们的行业大部分做的好的

Public @ 2022-04-03 16:20:52

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[ DB ] CONNECT:[ UseTime:0.022296s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016082s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5764 LIMIT 1 [ RunTime:0.015018s ]
[ 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:0.015522s ]
[ 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:0.015495s ]
[ 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:0.015989s ]
[ 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` = 5764 LIMIT 1 [ RunTime:0.014960s ]
[ 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=5764 [ RunTime:0.016139s ]
[ 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:0.021748s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034222s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.022471s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032853s ]
[ 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', ) ]

0.518421s

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