带宽下载速度之间单位换算_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_ChatGPT

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带宽下载速度之间单位换算

常用的带宽单位是Mbps，下载速度单位是MB/s。它们之间的换算关系如下： 1Mbps = 0.125MB/s 例如： - 如果您的带宽是100Mbps，您的下载速度最大可能达到12.5MB/s； - 如果您的下载速度是10MB/s，您的带宽至少应该达到80Mbps。

Public @ 2023-06-10 01:50:06

宝塔软件安装

威海网站建设威海宝塔
1004

宝塔软件简介宝塔面板是一款服务器管理软件，支持windows和linux系统，可以通过Web端轻松管理服务器，提升运维效率。例如：创建管理网站、FTP、数据库，拥有可视化文件管理器，可视化软件管理器，可视化CPU、内存、流量监控图表，计划任务等功能。1、使用fdisk -l 查看系统识别到的硬盘如下图，可以看出目前系统一共识别2块硬盘，vda和vdb 其中vda

Public @ 2015-04-12 16:13:49

做网站该注意哪些基本要素？

在制作网站时，应注意以下基本要素： 1. 响应式设计：确保网站能够在不同设备上（如电脑、手机、平板电脑）正常显示并具有良好的用户体验。 2. 简洁清晰的导航栏：设计易于理解和使用的导航栏，以便访问者能够轻松浏览网站的不同部分。 3. 有吸引力的页面设计：使用合适的颜色、字体和图像，以及吸引人的布局和页面元素，以吸引访问者并提高网站的吸引力。 4. 易读的文字内容：使用易读的字体、合适的字号

Public @ 2023-07-24 18:00:39

如何通过gzip和nginx来提高网站打开速度及整体性能

要知道，网站的打开速度取决于浏览器打开下载的网页文件大小。如果传输的页面内容文件减少，那你网站的打开速度一定会加快。特别是手机端的用户，打开网站速度受限于移动端网络，所以压缩网站页面内容显得至关重要。gzip是一种非常流行的数据压缩方式。你可以在nginx配置中开启gzip来压缩网页文件。然后，这些文件又由浏览器解压缩，文件不会受任何。但是压缩文件是会占用服务器资源，所以最好压缩那些效果比较好的文

Public @ 2015-12-03 15:37:10

你的网站多快才算快

Web 性能优化专家 Steve Souders 表示优化性能向来是头疼的事情。人们期望他能给书一个“完美速度”的绝对值。很不幸的是，这个问题没有答案。不同的情况有不同的答案。他认为，你必须根据你的资源、能力以及你的用户的反馈让网站的速度维持在一个大家都舒服的水平。但是他也承认，很多 IT 专业人士是不会为这个答案买账的。假如你使用 Google Analytics 的话，你可以看到你的网站速度的

Public @ 2012-11-28 15:37:09

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.019712s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014431s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8691 LIMIT 1 [ RunTime:0.013341s ]
[ 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:0.013767s ]
[ 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:0.014205s ]
[ 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:0.014517s ]
[ 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` = 8691 LIMIT 1 [ RunTime:0.013287s ]
[ 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+1 where id=8691 [ RunTime:0.014136s ]
[ 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:0.022727s ]
[ 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:0.040405s ]
[ 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` = '威海网站访问速度' AND `status` <> -1 LIMIT 1 [ RunTime:0.020504s ]
[ 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` = '威海网站访问速度' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036086s ]
[ 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', ) ]

0.394966s

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