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网站打开慢常规问题排查

如果有遇见网站访问慢，建议首先从以下几个方法检测一下，是否是服务器配置或者网络的原因

1. 检查域名解析是否正确，我司虚拟主机默认推荐做别名解析到赠送的二级域名（xxxxx.gotoipx.com）

特别注意（西部双线、多线机房）此机房是通过CDN实现的双/多线，如果是做的A纪录会造成联通和其它线路打开慢

必须做别名解析到我司赠送的二级域名上面，顶级域名不能做别名的，可以解析到Ip后做一个301跳转到www域名上面

另:我司的域名支持顶级域名做别名解析

2. ping一下您的域名，看看延迟是否正常（开始-运行-CMD回车）

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如果时间值大于100，则网络连接质量有异常，此时如果您购买的是单线主机，请核实您主机线路和您当前本地线路是

否一致，如果不一致，建议升级到多线或者双线主机，如果您当前已经是双线或者多线，请把此图提交到工单中，

方便我司技术检查处理

3. 如果非上述两个原因，则可能是服务器异常或者程序异常，具体请联系程序员或者提交工单，我司检查原因

来源：西部数码

Public @ 2020-09-20 15:37:07

50个有用的网站设计资源

CSS库做设计的时候总是容易没有灵感。到CSS库去看看别人做得设计也许会帮你找到不少灵感。如果你的设计足够优秀让这些CSS库收录的话，那么这还会为你带来很多访问者UnmatchedstylecssBeautycssvaultStylegalaCSS Drivecss thesisStyleboostCSSEliteCSS ImportWeb CremeCSS ManiaDesignShackWeb

Public @ 2017-08-29 15:45:13

经典正则表达式

正则表达式用于字符串处理，表单验证等场合，实用高效，但用到时总是不太把握，以致往往要上网查一番。我将一些常用的表达式收藏在这里，作备忘之用。本贴随时会更新。匹配中文字符的正则表达式： [\u4e00-\u9fa5]匹配双字节字符(包括汉字在内)：[^\x00-\xff]应用：计算字符串的长度（一个双字节字符长度计2，ASCII字符计1）String.prototype.len=function()

Public @ 2011-01-03 16:14:32

决定网站访问速度的几个因素以及优化方向

第一，主机线路和地区的选择。我国存在多个不同网络服务商，比如电信，联通，教育网，移动等。不同线路直接访问会有互联互通不稳定的情况发生，一般建议选择BGP机房线路，访问会更均衡一些。另外国内访问境外由于存在国际出口相对访问也比较慢，国际带宽出口资源通常比较紧张，时常会有拥堵缓慢的情况。若针对的是香港用户可以考虑港台机房；若针对欧美用户，建议使用我司美国主机。第二、主机的配置和访问量是否匹配服务器的配

Public @ 2017-07-08 15:37:04

带宽下载速度之间单位换算

带宽和下载速度都是网络传输速度的单位，它们之间的换算关系如下： 1 Mbps（兆比特/秒）= 1024 Kbps（千比特/秒） 1 Mbps = 0.125 MB/s（兆字节/秒） 1 GB（千兆字节）= 1024 MB（兆字节）因此，如果您的带宽为20 Mbps，则您最大的下载速度为： 20 Mbps × 0.125 = 2.5 MB/s 或者，如果您的下载速度为5 MB/s，则您

Public @ 2023-06-14 19:00:13

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.022433s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016000s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1331 LIMIT 1 [ RunTime:0.015088s ]
[ 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:0.015600s ]
[ 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:0.015444s ]
[ 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:0.022406s ]
[ 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` = 1331 LIMIT 1 [ RunTime:0.014964s ]
[ 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=1331 [ RunTime:0.015864s ]
[ 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:0.021902s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.039138s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.022155s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, '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:0.031328s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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