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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

网站结构优化：所谓F型结构是指什么

F型结构是指在网站内容展示的前沿区域，用户的阅读行为呈现出一个“F”字形状。具体来说，用户在浏览网页时，会先在页面顶部水平扫描，然后垂直下滑浏览左侧区域，最后再次水平扫描浏览右侧区域，形成了一个“F”字形的浏览路径。因此，F型结构的网站设计应该在页面顶部和左侧区域呈现最重要、最吸引人的内容，吸引用户的注意力，并且要注意深入挖掘左侧区域的内容，使用户得到更多信息。

Public @ 2023-04-11 20:50:49

锚文本链接是什么？

锚文本链接是指在网页上，使用一段文字或者词语作为超链接，并且这段文字或者词语是描述链接目标的内容，而不是直接使用URL地址。锚文本链接可以更容易地吸引到用户的点击，并且有助于提高网页的搜索引擎排名。

Public @ 2023-06-22 03:00:07

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

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

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[ DB ] CONNECT:[ UseTime:0.023000s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016387s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5769 LIMIT 1 [ RunTime:0.015484s ]
[ 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:0.015495s ]
[ 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:0.015851s ]
[ 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:0.016295s ]
[ 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:0.020996s ]
[ 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:0.018446s ]
[ 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:0.021923s ]
[ 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:0.039340s ]
[ 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` = '威海绝对地址,相对地址' AND `status` <> -1 LIMIT 1 [ RunTime:0.021348s ]
[ 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` = '威海绝对地址,相对地址' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031359s ]
[ 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', ) ]

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