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网站打开慢常见情况解析

1，首先使用ping命令测试域名的联通性，是否延迟变大，或者丢包严重例如ping www.baidu.com

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2.测试是否能够远程到服务器上，如果可以远程，打开任务管理器，查看网络使用率

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一般情况，网上是100M或者1000M网卡，带宽是10M , 物理网卡是100M，利用到达或者超过10% 就是带宽跑满或者超过带宽，肯定会造成网站打开慢，在进程选项中，查看cpu或者内存使用比较高的，结束掉，观察带宽利用率是否降下来，如果是，进一步检查结束掉的进程对应的软件程序，如果不是，继续结束下一个较高进程

3.DNS解析有问题，也可能造成网站打开缓慢，这种情况，可以考虑更换网络配置信息处的DNS选项

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4.数据库例如mysql 调用频繁，占用cpu过高，导致网站反应过慢，可以检查数据库配置，是否有bug漏洞，造成频繁查询调用，进行优化处理

5.某个jss文件或者图片加载时间过长，或者加载失败造成网页整体打开慢，用浏览器打开网站域名，同时按F12 点击network ，进行查看

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来源：景安

Public @ 2018-04-12 15:37:03

浏览器停止支持SHA-1算法，我国用户如何应对？

威海网站建设威海SSL
2137

概述SHA-1在许多安全协议中广泛使用，包括TLS和SSL、PGP、SSH、S/MIME和IPsec。在2005年，密码学家就证明SHA-1的破解速度比预期提高了2000倍，虽然破解仍然是极其困难和昂贵的，但随着计算机变得越来越快和越来越廉价，SHA-1算法的安全性也逐年降低，已被密码学家严重质疑，希望由安全强度更高的SHA-2替代它。各浏览器的响应微软第一个宣布了SHA-1弃用计划，对于SSL证

Public @ 2018-08-12 15:36:30

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

为什么我测试速度时访问双线、多线的速度还没有电信的快？

很正常，因为双线、多线的速度是受线路质量限制的，在一定程度上也与用户的上网体验有关，可以相对比较一下，如果你追求速度，最好考虑电信特种线路。

Public @ 2023-03-04 17:48:08

优化你的站点，让它加载的再快一些

你的网站是不是因为所有的大图片而经常加载的很慢？大约需要一个普通的拨号用户多长时间来耐心地等待一个网站在他/她的浏览器上完全加载？60秒？30秒？经统计30秒是可以忍受的，实际上每位用户（尤其是56K或更慢的modem用户）都没有那么大的耐心在线等待，如果网站在20秒或者更短的时间内不能加载他们会点离你的网站。如果你的站点中采用了很多重磅的网络图片和Flash文件（尤其在主页上），你很可能处于极其

Public @ 2016-03-11 15:37:07

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[ DB ] CONNECT:[ UseTime:0.021603s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015953s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014438s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.015610s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014270s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015976s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1324 LIMIT 1 [ RunTime:0.014416s ]
[ 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:0.014719s ]
[ 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:0.014837s ]
[ 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:0.014957s ]
[ 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` = 1324 LIMIT 1 [ RunTime:0.014448s ]
[ 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=1324 [ RunTime:0.017357s ]
[ 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:0.021061s ]
[ 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:0.040778s ]
[ 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:0.021083s ]
[ 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:0.030609s ]
[ 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', ) ]

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