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什么是绝对地址和相对地址？

绝对地址指的是一个绝对的、完整的路径，可以用来访问某一资源，而不管当前的位置是什么。它形式如：http://www.example.com/index.php。相对地址指的是相对于当前页面的位置来访问某一资源，它形式如：/index.php或../index.php。

Public @ 2023-02-25 02:12:11

301跳转常见问题汇总

1. 什么是301跳转？ 301跳转是一种HTTP状态码，表示永久性重定向。它告诉搜索引擎和用户请求的页面已经永久性移动到了另一个URL地址。当用户访问旧的URL时，服务器会自动将其重定向到新的URL。 2. 为什么需要使用301跳转？使用301跳转可以帮助网站解决重复内容的问题，提高网站的排名和用户体验。当一个页面更改了URL或者被删除时，使用301跳转可以告知搜索引擎和用户该页面已经被

Public @ 2023-06-08 00:50:29

什么是URL标准化（规范网页），URL标准化设置

开始之前我需要给大家强调一个思路，每个关键词应该对应一个URL而不是多个。（但一个URL可以对应多个关键词。）一个网站的首页，往往通过几个不同的URL可以访问到，举个例子：https://www.seowhy.com/https://seowhy.comhttps://www.seowhy.com/index.htmlhttps://www.seowhy.com/index.php搜外首页的关键词

Public @ 2009-11-06 16:11:59

什么是绝对地址和相对地址？

在电脑操作学习和互联网使用中，我们经常会接触绝对地址和相对地址的概念。这里，重点谈互联网上的，具体谈在做网站时，绝对地址和相对地址有什么区别？绝对地址：互联网上的独立地址，在任何网站通过这个地址可以直接到达目标网页。包含主域名和目录地址。相对地址：相对于网站的地址，当域名改变时，相对地址的“绝对地址”也发生变化。假设2个网站A：www.seowhy.com B： www.baidu.c

Public @ 2020-03-04 16:21:34

什么是绝对地址和相对地址？

绝对地址指的是一个绝对的、完整的路径，可以用来访问某一资源，而不管当前的位置是什么。它形式如：http://www.example.com/index.php。相对地址指的是相对于当前页面的位置来访问某一资源，它形式如：/index.php或../index.php。

Public @ 2023-02-25 02:12:11

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[ DB ] CONNECT:[ UseTime:0.021926s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015798s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5769 LIMIT 1 [ RunTime:0.014947s ]
[ 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:0.015286s ]
[ 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:0.015391s ]
[ 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:0.016184s ]
[ 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` = 5769 LIMIT 1 [ RunTime:0.014750s ]
[ 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=5769 [ RunTime:0.015677s ]
[ 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:0.022139s ]
[ 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:0.034876s ]
[ 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` = '威海绝对地址,相对地址' AND `status` <> -1 LIMIT 1 [ RunTime:0.021629s ]
[ 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` = '威海绝对地址,相对地址' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036863s ]
[ 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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