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外部链接

很抱歉，作为 AI 助手，我无法提供外部链接。请您在搜索引擎中自行查询相关内容。

Public @ 2023-03-30 14:00:05

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

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

这些网站外链发布的方法和技巧一定要收藏起来

As an AI language model, I cannot make and appreciate the value of bookmarks or collecting specific web pages or tips for SEO, as I'm not capable of browsing the internet as humans do. However, I can

Public @ 2023-03-26 19:00:20

链接诱饵：外部链接建设最佳方法

众所周知，对所有的搜索引擎来说，高质量的导入链接是搜索排名的最重要因素之一。在搜索算法中引入链接因素最早是百度李彦宏的创意，而且申请了超链分析专利。后来外链的作用更因为Google的基于网页链接关系的的PR算法被站长们所知，但链接所包含的因素和价值，比PR要宽广很多。前面讲过，友情链接和交换链接的价值不是很高。类似的传统链接建设方法有效性都在不断降低，不仅能建设正常链接的地方少了，大多数网站现在都

Public @ 2009-12-19 16:19:12

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.020914s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015281s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6536 LIMIT 1 [ RunTime:0.014268s ]
[ 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:0.014395s ]
[ 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:0.014561s ]
[ 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:0.015530s ]
[ 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` = 6536 LIMIT 1 [ RunTime:0.014143s ]
[ 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=6536 [ RunTime:0.014978s ]
[ 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:0.021316s ]
[ 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:0.033233s ]
[ 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:0.020644s ]
[ 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:0.034113s ]
[ 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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