令网站打开提高速度的7大秘方_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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令网站打开提高速度的7大秘方

1. 优化图片：使用适当的格式和尺寸来实现快速加载图片。 2. 压缩文件：压缩文件大小以减少加载时间。 3. 简化代码：消除不必要的代码，使页面更轻量级，加载更快。 4. 将CSS和JS文件放在顶部：这会在页面加载时优先加载CSS和JS，并且减少延迟。 5. 使用CDN：CDN（内容分发网络）通过运用多个位于全球各地的服务器来缓存和分发网站内容。这可以显著加快网站的加载时间。 6. 使缓存更有效：在服务器端启用缓存功能，使浏览器能够快速访问缓存内容。 7. 移除不必要的插件或脚本：消除不必要的扩展或脚本可以减少网站加载时间。

Public @ 2023-06-24 16:00:10

[原创]shopex清理数据库挂马

最近收到客户反馈，网站出现意外弹窗和挂马的情况，于是对其进行了一番排查。最终发现是由于shopex数据库积累了大量的无用数据和垃圾数据，导致网站运行缓慢，甚至被黑客攻击。为了解决这个问题，我们采用了以下方法： 1. 清除无用数据首先，我们针对数据库进行深度清理，删除所有无用的数据记录。这些数据可能是已经过期或者无用的，例如一些用户退订了订阅，但是它们的数据仍然保留在数据库里面。我们使用卡

Public @ 2023-04-05 19:50:38

经典正则表达式

以下是一些经典的正则表达式： 1. 匹配邮箱地址 ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ 2. 匹配手机号码 ^1[3456789]\d{9}$ 3. 匹配 URL ^(http|https)://[a-zA-Z0-9]+\.[a-zA-Z]+(/[a-zA-Z0-9]+)*$ 4. 匹配身份证号码 ^[1-9]\d{5}(

Public @ 2023-04-10 08:50:39

带宽下载速度之间单位换算

1Mbps=125KB/s

Public @ 2023-03-03 01:00:03

影响网站打开速度的9大因素

再好的网站，如果打开速度慢，10个人会有9个人选择离开，我归纳了大约9大影响网站打开速度的因素，但网站页面显示的速度取决于众多的因素，包括服务器性能、网络传输质量、网站的带宽、DNS解析、网页内容包括涉及到的JS代码、图片和视频的大小等等各种因素，如有不全，欢迎跟帖补充和指正。影响网站打开速度的9大因素性能优化网站监测网站优化 SEO推广第1张（再好的网站，如果打开速度慢，10个人会有9个

Public @ 2012-07-30 15:37:10

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.023824s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017946s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9369 LIMIT 1 [ RunTime:0.016093s ]
[ 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:0.016373s ]
[ 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:0.016579s ]
[ 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:0.017348s ]
[ 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` = 9369 LIMIT 1 [ RunTime:0.015981s ]
[ 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=9369 [ RunTime:0.017010s ]
[ 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:0.022485s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.045532s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.022837s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.032820s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.453597s

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