威海首选域_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

什么是首选域设置

首选域设置是指在网络或系统中指定首选的域名服务器。当计算机需要解析一个域名时，它会先询问首选域名服务器，如果该服务器无法解析，则会继续询问其它域名服务器。首选域名服务器的选择可以影响网络或系统的性能和可靠性。

Public @ 2023-06-04 02:00:06

网站在做优化的时候有一个专业术语叫首选域，这个专业术语在很多SEO培训机构或者SEO行业前辈经验分享中都有提到过。那究竟什么是首选域的作用，网站如何设置首选域　　什么是首选域呢?　　网站的首选域类似于标准化URL，是搜索引擎索引中编制网页的域。在搜索引擎搜索结果中，指向网站的链接有www和非www网址格式。而所谓的首选域是我们希望网站在搜索结果中显示的格式。　　一般情况下，搜索引擎认为域名带www

Public @ 2021-09-10 16:21:37

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[ DB ] CONNECT:[ UseTime:0.000315s ] mysql:dbname=briline;host=127.0.0.1;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.000541s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.000298s ]
[ 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:0.000404s ]
[ 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:0.000442s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海首选域' AND `status` <> -1 LIMIT 1 [ RunTime:0.005493s ]
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[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海首选域' AND `status` <> -1 ORDER BY create_time desc LIMIT 0,10 [ RunTime:0.005825s ]
[ 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:0.000482s ]
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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:0.000579s ]
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[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.000741s ]
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什么是首选域设置

什么是首选域设置

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