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404页面该怎么做？

404页面是当用户请求的页面不存在时显示的页面。以下是创建一个好的404页面的要点： 1. 提示用户页面不存在：在页面上明确告诉用户，请求的页面不存在，这是最重要的 2. 提供导航链接：尽可能提供有用的导航链接以帮助用户找到他们可能想要查看的类似内容的链接 3. 提供搜索栏：在页面上提供搜索栏可让用户搜索相关内容或页面 4. 不要让它看起来太“错误”：确保页面看起来友好，避免使用太多的技术性语言或 jargon 5. 调整页面的设计和语言，让其匹配网站的主题 6. 保持简单：不要把太多的东西挤在一个页面上，与用户沟通真的很重要。 7. 提供联系信息：例如，邮件地址或电话号码，以帮助用户联系网站管理员。一个好的404页面可以提高用户体验，并有助于保持流量。

Public @ 2023-06-09 15:50:15

Sitemap协议类型及包含范围

Sitemap协议的类型有三种： 1. XML Sitemap：用于搜索引擎的索引。包含了网站中所有重要的URL地址，可以帮助搜索引擎更好地索引和排名网站。 2. Image Sitemap：用于搜索引擎的索引图片。包含了网站中的图片URL地址和相关信息，可以使搜索引擎更好地索引和展示网站内的图片。 3. Video Sitemap：用于搜索引擎的索引视频。包含了网站中的视频URL地址和相关

Public @ 2023-04-03 02:50:13

404页面错误原因

原因类型HTTP 404 错误意味着链接指向的网页不存在，即原始网页的URL失效，这种情况经常会发生，很难避免，比如说：网页URL生成规则改变、网页文件更名或移动位置、导入链接拼写错误等，导致原来的URL地址无法访问；当Web 服务器接到类似请求时，会返回一个404 状态码，告诉浏览器要请求的资源并不存在。导致这个错误的原因一般来说，有三种：1、无法在所请求的端口上访问Web站点。2、Web服务扩

Public @ 2020-10-18 16:10:01

404页面设置方法

1. 通过服务器配置文件设置404页面可以在服务器配置文件中添加以下代码来设置404页面： ``` ErrorDocument 404 /404.html ``` 在这个例子中，当用户请求一个不存在的页面时，服务器会返回404错误，并重新定向到404.html页面。 2. 使用.htaccess文件设置404页面如果你使用的是 Apache 服务器，可以通过在网站根目录下创建一个.h

Public @ 2023-04-17 13:50:14

404页面是什么？

404页面是客户端在浏览网页时，服务器无法正常提供信息，或是服务器无法回应，且不知道原因所返回的页面。据说在第三次科技革命之前，互联网的形态就是一个大型的中央数据库，这个数据库就设置在404房间里面。那时候所有的请求都是由人工手动完成的，如果在数据库中没有找到请求者所需要的文件，或者由于请求者写错了文件编号，用户就会得到一个返回信息：room 404 : file not found。404错误信

Public @ 2014-05-13 16:11:01

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.023860s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017155s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8671 LIMIT 1 [ RunTime:0.016273s ]
[ 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:0.016388s ]
[ 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:0.016748s ]
[ 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:0.017308s ]
[ 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` = 8671 LIMIT 1 [ RunTime:0.016137s ]
[ 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=8671 [ RunTime:0.019503s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站结构优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.023469s ]
[ 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` = '威海网站结构优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.059744s ]
[ 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404页面' AND `status` <> -1 LIMIT 1 [ RunTime:0.023153s ]
[ 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404页面' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032994s ]
[ 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', ) ]

0.459438s

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