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什么是域名DNS？

威海网站建设威海dns,域名
2187

域名管理系统 DNS（Domain Name System）是域名解析服务器的意思.它在互联网的作用是：把域名转换成为网络可以识别的 IP 地址。

Public @ 2022-04-02 15:45:40

带宽下载速度之间单位换算

带宽单位一般使用的是比特（bit）或字节（byte）。 1 byte = 8 bit 常用带宽单位： 1 Kbps = 1000 bit/s 1 Mbps = 1000 Kbps 1 Gbps = 1000 Mbps 因此，如果你有一个1Mbps 的带宽，它意味着你的下载速度最大不会超过 1,000,000 bit/s 或者 125,000 byte/s。使用 Byte/s

Public @ 2023-06-13 07:50:09

网页设计师必备的十一个SEO技巧

1、利用ALT属性优化图片搜索：在img标签中使用alt属性，使搜索引擎能够识别出图片的内容。 2、使用H1标题标记：将网页上的主要内容使用H1标签标记，便于搜索引擎抓取到网页的主要内容，提高搜索结果排序。 3、使用关键词：在网页中针对不同的关键词进行分类，以便能够被搜索引擎抓取。 4、详细的元信息描述：确保元信息中具有详细的描述，以便搜索引擎能够根据元信息抓取正确的内容。 5、利用链

Public @ 2023-02-24 22:54:53

什么是域名DNS？

威海网站建设威海dns,域名
2189

域名管理系统 DNS（Domain Name System）是域名解析服务器的意思.它在互联网的作用是：把域名转换成为网络可以识别的 IP 地址。

Public @ 2022-04-02 15:45:40

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[ DB ] CONNECT:[ UseTime:0.029925s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021152s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2177 LIMIT 1 [ RunTime:0.020235s ]
[ 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:0.020637s ]
[ 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:0.020815s ]
[ 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:0.021060s ]
[ 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` = 2177 LIMIT 1 [ RunTime:0.020246s ]
[ 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=2177 [ RunTime:0.021284s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.030247s ]
[ 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` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.052543s ]
[ 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dns,域名' AND `status` <> -1 LIMIT 1 [ RunTime:0.030476s ]
[ 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dns,域名' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.042658s ]
[ 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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