威海alexa排名_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网

Alexa排名的困惑

威海seo专题威海alexa排名
1135

大概因为最近做了这个中文博客，这几个月收到比较多的中文垃圾邮件。其中经常让我困惑的是推销所谓Alexa排名服务。去Google搜索了一下，提供这种服务的还真不少，有的号称能把网站做进Alexa排名前一百名，有的说前一万名，再靠后的还不做了。Alexa排名是根据装了Alexa工具条的电脑访问某网站的次数所得出来的网站流量排名。这些Alexa排名服务所提供的基本上都是通过作弊手段使你网站Alexa排名

Public @ 2011-07-07 16:14:07

alexa排名

威海seo术语威海alexa排名
1829

Alexa是一家专门发布网站世界排名的网站。以查找引擎发家的Alexa创建于1996年4月(美国)，意图是让互联网网友在共享虚拟世界资源的一起，更多地参加互联网资源的安排。Alexa每天在网上收集超越1,000GB的信息，不只给出多达几十亿的网址链接，而且为其间的每一个网站进行了排名。可以说，Alexa是当前具有URL数量最庞大，排名信息发布最翔实的网站。

Public @ 2010-02-24 15:51:38

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.000363s ] mysql:dbname=briline;host=127.0.0.1;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.000561s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.000290s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.000388s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.000174s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.000511s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海alexa排名' AND `status` <> -1 LIMIT 1 [ RunTime:0.005478s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海alexa排名' AND `status` <> -1 ORDER BY create_time desc LIMIT 0,10 [ RunTime:0.005951s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.000477s ]
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[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.000555s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, '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:0.000744s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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Alexa排名的困惑

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