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站点地图的重要性

1、搜索引擎每天都是让爬虫在互联网爬行来抓取页面，站点地图的作用就是给爬虫爬行构造了一个方便快捷的通道，因为网站页面是一层一层的链接的，其中可能会存在死链接的情况，如果没有站点地图，爬虫爬行在某个页面就因死链接爬行不了，那么就不能收录那些断链接的页面。

2、站点地图的存在不仅是满足搜索引擎爬虫的查看，更多是方便网站访客来浏览网站，特别是例如门户型网站由于信息量太多很多访客都是通过站点地图来寻找到自己需要的信息页面，这也能很好的提高用户体验度。

3、站点地图可以提高链接页面的权重，因为站点地图是指向其他页面的链接，此时站点地图就给页面增加了导入链接，大家知道导入链接的增加会影响到页面的权重，从而提高页面的权重，页面权重的提高同时会提高页面的收录率。

Public @ 2010-08-07 16:09:53

链接深度是什么

链接深度是指一个网站内部链接的层级深度。在一个网站中，主页是深度为0的页面，主页上的链接指向的页面的深度为1，依此类推。深度越大，表示页面与主页之间的链接路径越长。通过了解链接深度可以帮助优化网站结构，提高搜索引擎的抓取效率和用户的浏览体验。

Public @ 2023-07-30 21:00:10

怎样优化网站结构

这篇写于2006年的贴子，在网上已经被抄得四处都是了，恐怕新入行的SEO已经很难知道原出处是这里了。网站结构的优化是搭建网站时第一个要考虑的，对SEO有重大影响。网站结构出问题，权重无法正常流动，搜索引擎将无法顺利抓取页面，也就谈不上排名和流量了。优化网站结构有两方面的意思，一是物理结构，二是逻辑结构。网站的物理结构网站物理结构指的是网站真实的目录及文件所存储的位置所决定的结构。一般来说比较好的物

Public @ 2011-04-29 16:12:05

什么是Sitemap

Sitemap是一个XML文件，它列出了您网站上所有页面的URL，以帮助搜索引擎更好地了解您的网站结构并进行索引。它包含了您网站上所有可供搜索引擎抓取的页面、图片、视频等的元数据。Sitemap可以帮助搜索引擎更快更准确地索引您网站的内容。

Public @ 2023-04-02 19:00:10

ETag助力站点提交Sitemap——ETag简介与作用

一、ETag简介ETag(EntityTags)是URL的tag，用来标示URL对象是否改变，这样可利用客户端（例如浏览器）的缓存。由服务器首先产生ETag，客户端通过将该记号传回服务器要求服务器验证其（客户端）缓存。服务器使用它来判断页面是否已经被修改，如果未修改返回304，而不必重新传输整个对象。二、现在站点Sitemap存在的问题1.发现更新不及时当站点或其Sitemap发生更新时，百度难以

Public @ 2021-07-08 16:09:45

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.024159s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017834s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016212s ]
[ 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:0.017536s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016019s ]
[ 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:0.017725s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4496 LIMIT 1 [ RunTime:0.016173s ]
[ 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:0.016823s ]
[ 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:0.016631s ]
[ 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:0.016777s ]
[ 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` = 4496 LIMIT 1 [ RunTime:0.016186s ]
[ 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=4496 [ RunTime:0.018276s ]
[ 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:0.022680s ]
[ 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` = '威海网站结构优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035439s ]
[ 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Sitemap' AND `status` <> -1 LIMIT 1 [ RunTime:0.022681s ]
[ 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Sitemap' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033404s ]
[ 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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