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404页面该怎么做？

404页面是指在网站中访问的页面不存在或者找不到时，服务器返回的错误页面，一般返回状态码为404。以下是404页面的制作建议： 1. 突出提示信息：应突出404错误提示信息，告知用户页面不存在，并给予建议或转到网站首页。 2. 留下联系方式：如果是用户信息输入错误导致的404页面，可以留下联系方式，方便用户与网站联系。 3. 美化页面设计：可以设计一张有趣、富有创意或者符合主题的图片作为404页面，以吸引用户的注意力。 4. 提供搜索框：在页面中添加一个搜索框，允许用户输入关键字搜索相关信息。 5. 避免404的避免：通过网站地图和语义化URL等策略可以降低404页面的出现率。总之，一个好的404页面能够使用户对网站的印象更加深刻，也能提升网站的用户体验和用户留存率。

Public @ 2023-06-26 03:00:15

面包屑导航的原理与作用

面包屑（Breadcrumbs）是一种用于进行网页导航的UI设计技术，它将当前页面的位置信息清楚的提示给用户，从而让用户在浏览网站时更加清晰，导航页面更加便捷。面包屑导航的原理是类似于一个视觉式的系统路径，它跟踪其用户当前处于网站哪个部分，是用户在当前网页或者浏览器窗口中显示当前页面标题以及它所处网站结构位置的链式结构，它显示用户已经在网站中浏览过的路线，并且可以像浏览这个路线一样，把用户

Public @ 2023-03-06 12:00:30

关于robots.txt的二三事

【Robots简介】robots.txt是一个协议，是搜索引擎访问网站时第一个要查看的文件，它存在的目的是告诉搜索引擎哪些页面能被抓取，哪些页面不能被抓取。当spider访问一个站点时，会首先检查该站点根目录下是否存在robots.txt，如果存在，spider会按照文件中的内容来确定访问的范围；如果该文件不存在，所有的spider将能够访问网站上所有没有被口令保护的页面。【具体介绍】1、User

Public @ 2017-02-13 16:09:19

404页面是什么？

404页面是指在网站上访问某个不存在的页面时，服务器返回的错误页面。一般来说，404页面会告诉用户当前访问的页面不存在，并提供一些相关链接或搜索框，帮助用户继续浏览网站。

Public @ 2023-06-06 01:50:05

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

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.021928s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015698s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9439 LIMIT 1 [ RunTime:0.014840s ]
[ 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:0.015091s ]
[ 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:0.015399s ]
[ 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:0.015469s ]
[ 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` = 9439 LIMIT 1 [ RunTime:0.014759s ]
[ 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=9439 [ RunTime:0.015669s ]
[ 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:0.022044s ]
[ 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` = '威海网站结构优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035422s ]
[ 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404页面' AND `status` <> -1 LIMIT 1 [ RunTime:0.021932s ]
[ 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404页面' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031048s ]
[ 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', ) ]

0.410669s

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