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复制内容网页是怎样形成的？

复制内容网页是通过Web浏览器和Web服务器之间的交互来形成的。浏览器通过发送HTTP（超文本传输协议）请求来访问远程Web服务器上的HTML文件，服务器收到请求后，就会将相应的HTML文件发送给浏览器，浏览器将HTML文件解析并显示出网页，此过程就是复制内容网页形成的过程。

Public @ 2023-02-25 08:00:12

CDN对网站有什么好处，网站为什么要做CDN

威海seo专题威海CDN与seo
2711

CDN加速是什么？简单理解:CDN加速是一个内容分发网络。当您创建新网站时，您的主机可能托管在服务器上，因此它具有特定的固定IP(地理位置)，每当有人访问它时，它都会向该主机发送请求。当您使用CDN网站加速时，它会将目标网站的内容同步到多个服务器，以便附近的用户可以更快地访问网站内容。例如，您的服务器的固定IP在大连，而广东用户的访问可能相对较慢。如果您打开CDN来加速，CDN服务器可能在广州有节

Public @ 2016-01-17 15:26:14

HTTP状态码301与302有什么区别

HTTP状态码301和302都是重定向状态码，用来告诉客户端需要访问一个新的URL。它们的区别在于： 1. 状态码301表示永久重定向，即原始URL永久地不可用，所有访问该URL的请求都将被重定向到新的URL上。而状态码302表示临时重定向，即原始URL只是暂时不可用，请求将被重定向到一个临时URL上，之后可能会再次返回原始URL。 2. 由于301表示永久重定向，搜索引擎会将原始URL的权重

Public @ 2023-03-27 11:00:20

Google对于重复內容的建议

Google建议尽量避免在多个页面上使用完全相同的內容，因为它可能会影响你在搜索结果中的排名并可能被视为垃圾邮件。当你需要在不同页面上使用相似的內容时，可以使用不同的方法来表述，以便每个页面都有独特的价值。如果你必须再次使用某个页面上的內容，请使用指向该原始內容的链接。在公共域名或开放目录上发布内容时，应确保该内容不会影响你的站点的排名和声誉。

Public @ 2023-06-11 19:00:10

复制内容网页是怎样形成的？

复制网页(或者叫重复内容网页)指的是两个或多个网页内容相同，或非常相似。一般来说，搜索引擎不喜欢复制内容网页，他们会尽量判断哪一个是原始版本，然后把其他的复制网页忽略不计。有两点值得注意：1）复制网页的判断并没有一个比例。比如说一个网页上有60％或80％的内容和其他网页相同，就被列为复制网页，如果真有一个比例那就简单多了。2）复制网页并不会带来惩罚。搜索引擎会丢掉其他的复制网页，但不会惩罚搜索引擎

Public @ 2020-10-24 15:18:30

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.022264s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016793s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5814 LIMIT 1 [ RunTime:0.015023s ]
[ 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:0.015236s ]
[ 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:0.015580s ]
[ 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:0.015998s ]
[ 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` = 5814 LIMIT 1 [ RunTime:0.014957s ]
[ 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=5814 [ RunTime:0.018120s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo专题' AND `status` <> -1 LIMIT 1 [ RunTime:0.026042s ]
[ 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seo专题' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.047469s ]
[ 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` = '威海复制内容网页' AND `status` <> -1 LIMIT 1 [ RunTime:0.021587s ]
[ 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` = '威海复制内容网页' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034058s ]
[ 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', ) ]

0.428263s

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