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面包屑导航的原理与作用

面包屑导航是一种网站或应用程序的导航方式，它通过在页面上显示当前位置和历史路径，帮助用户快速理解网站结构和内容，并方便用户回到之前访问的页面。面包屑导航通常出现在页面的顶部或侧边，在用户浏览网站时一直存在。它的原理是在用户进入每个页面时，记录下之前访问的路径和页面层级关系，然后将这些信息用面包屑导航的形式展示给用户。面包屑导航的作用主要有以下几点： 1. 帮助用户了解网站结构：通过显示当前页面的位置和路径，面包屑导航可以告诉用户当前页面所处的层级和位置，让用户更好地理解网站的结构和内容，有助于用户快速找到自己需要的信息。 2. 提高用户导航效率：面包屑导航可以方便用户回到之前访问的页面，节省用户找回信息的时间。 3. 提升页面的可用性：面包屑导航可以使页面更易于使用和理解，提供了一种方便、清晰、直观的导航方式，可以提高用户的满意度，降低网站的跳出率。总之，面包屑导航作为一种重要的导航方式，是设计者在构建网站和应用程序时必须考虑的因素之一。

Public @ 2023-06-07 01:50:15

robot.txt在SEO中的作用

在进行网站优化的时候，经常会使用robots文件把一些内容不想让蜘蛛抓取，以前写过一篇网站优化robots.txt文件的运用现在写这篇文章在补充一点点知识!什么是robots.txt文件搜索引擎通过一种爬虫spider程序(又称搜索蜘蛛、robot、搜索机器人等)，自动搜集互联网上的网页并获取相关信息。鉴于网络安全与隐私的考虑，搜索引擎遵循robots.txt协议。通过根目录中创建的纯文本文件r

Public @ 2020-01-26 16:09:04

绝对路径的优点和缺点

绝对路径的优点是：1.网站有RSS输出时，内容会被一些Feed聚合网站抓取显示。同样，页面里指向原网站的链接会被保留。2.如果有人抄袭、采集你的文章，抄袭者比较懒，连页面里面的链接一起原封不动抄过去，绝对路径链接还会指向你的网站，增加网站外链权重。3.就算网页移动位置，里面链接还是指向正确URL。4.有助于预防和解决网址规范化问题。绝对路径的缺点是：1.代码比较多。2.除非链接是动态插入的，不然不

Public @ 2014-08-18 16:11:48

面包屑导航的原理与作用

面包屑导航是一种网站或应用程序的导航方式，它通过在页面上显示当前位置和历史路径，帮助用户快速理解网站结构和内容，并方便用户回到之前访问的页面。面包屑导航通常出现在页面的顶部或侧边，在用户浏览网站时一直存在。它的原理是在用户进入每个页面时，记录下之前访问的路径和页面层级关系，然后将这些信息用面包屑导航的形式展示给用户。面包屑导航的作用主要有以下几点： 1. 帮助用户了解网站结构：通过显示当前页

Public @ 2023-06-07 01:50:15

面包屑导航设置：一个小地方，却作用很大

| 什么是面包屑导航？面包屑导航也叫位置导航，告诉用户我们当前位置是在网站的什么位置。| 为什么要做面包屑导航优化？1、有利于SEO优化简单易懂、便于用户精准定位站点内容，占用位置小，视觉上容易接受，有效降低跳出率。2、提高用户体验它可以合理引导蜘蛛爬行，完善站内结构，传递权重，提高关键词排名。| 如何优化面包屑导航？1、注意给首页的链接为首选域、不带index后缀为标准化URL2、给首页的锚文本

Public @ 2015-06-01 16:11:41

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[ DB ] CONNECT:[ UseTime:0.026882s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019100s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8548 LIMIT 1 [ RunTime:0.018028s ]
[ 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:0.019497s ]
[ 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:0.018579s ]
[ 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:0.019300s ]
[ 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` = 8548 LIMIT 1 [ RunTime:0.018090s ]
[ 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=8548 [ RunTime:0.018897s ]
[ 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:0.025348s ]
[ 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:0.048259s ]
[ 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` = '威海面包屑导航' AND `status` <> -1 LIMIT 1 [ RunTime:0.024988s ]
[ 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` = '威海面包屑导航' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034872s ]
[ 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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