503状态码：防止网页被删除_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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503状态码：防止网页被删除

503状态码表示服务器暂时无法处理请求，一般是由于服务器过载或维护而导致的。这种情况下，服务器向客户端返回503响应状态码，告诉客户端该网页暂时不可用，但未被删除。这样可以避免搜索引擎将网页标记为已删除，并减少了误解和混淆。当服务器容量不足或需要维护时，503状态码为客户端提供一个等待时间，直到服务器能够处理请求。这样，客户端就不再发送请求，从而避免了服务器进一步过载。总之，503状态码对于服务器维护、性能调整和网页保持有效是非常有用的。它可以让搜索引擎、浏览器和用户正确地处理网页状态，避免不必要的困惑和误解。

Public @ 2023-04-09 19:50:47

从百度取消referer关键词说起

威海seo技术提升威海https
1598

百度宣布全站https后，搜索资源平台又抛出重磅炸弹：百度将逐步取消百度referer关键词显示，引发站长热议。其实在百度搜索资源平台的消息放出之前，已经有敏感的站长从日志中发现了端倪，并对百度此举进行了准确预测。现在消息正式颁布后，很多站长都对此表现了看法，学堂选择了其中一篇进行分享，但由于内容比较敏感，作者不愿透露自己的姓名，遗憾之余我们希望这位朋友今后可以在学堂进行更多分享，和大家一起成长。

Public @ 2011-08-31 15:35:53

网站质量指南

我们的网站质量指南旨在帮助网站管理者和设计师在设计、维护和提高网站时遵循一致的标准。以下是一些有用的实践指南，您应该考虑把它们添加到您的网站计划中。 1. 使用W3C标准: 在开发网站时，请务必使用W3C标准。 W3C标准将确保网页在所有浏览器中显示正确，并广泛支持主流浏览器，包括最新版本的Internet Explorer，Firefox，Chrome和Safari。 2. 添加

Public @ 2023-02-25 05:27:38

站长常见HTTP状态码及解决方案

1. 200 OK：表示请求成功。解决方法：无需特殊处理。 2. 201 Created：表示请求已被成功处理，并创建了新的资源。解决方法：无需特殊处理。 3. 204 No Content：表示请求已被成功处理，但没有返回任何内容。解决方法：无需特殊处理。 4. 400 Bad Request：表示请求无效或不符合规范。解决方法：检查请求参数是否正确，确保请求格式正确。

Public @ 2023-04-22 08:50:11

HTTP状况码

当效劳器收到某项恳求时，例如，用户经过阅览器拜访你的网页，效劳器会向这个阅览器回来一个代码以呼应恳求，一个代码就称为：HTTP状况码，相同道理，当查找引擎的Robot（机器人）或Crawler（匍匐器）抓取你的网页时，效劳器也会回来HTTP状况码相应恳求。　　此HTTP状况码供给关于恳求状况的信息，通知拜访的阅览器、查找引擎机器人：baiduspider、Googlebot等关于你的网站和恳求的网

Public @ 2020-11-13 15:35:45

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.020687s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.014819s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014044s ]
[ 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:0.014711s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.013728s ]
[ 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:0.014972s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7011 LIMIT 1 [ RunTime:0.014311s ]
[ 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:0.014221s ]
[ 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:0.015137s ]
[ 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:0.015415s ]
[ 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` = 7011 LIMIT 1 [ RunTime:0.013820s ]
[ 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=7011 [ RunTime:0.017615s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技术提升' AND `status` <> -1 LIMIT 1 [ RunTime:0.020869s ]
[ 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seo技术提升' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037324s ]
[ 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HTTP状况码' AND `status` <> -1 LIMIT 1 [ RunTime:0.020523s ]
[ 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HTTP状况码' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030329s ]
[ 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', ) ]

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