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Sitemap文件标准格式和大小说明

Sitemap文件标准格式： Sitemap文件通常是一个以XML格式编写的文本文件，其中包含URL信息和其他相关数据。Sitemap文件主要包含以下元素： 1. URL元素：用于指定页面的网址，并包含可选的数据，如最近的修改日期、相对于站点的相对权重等。 2. loc元素：为URL元素的子元素，用于指定页面的网址。 3. lastmod元素：为URL元素的子元素，用于指定页面的最近修改日期。 4. changefreq元素：为URL元素的子元素，用于指定页面内容的更改频率。 5. priority元素：为URL元素的子元素，用于指定页面相对于站点中其他页面的优先级。 Sitemap文件大小说明： Sitemap文件的大小可以是任意的，但是建议每个Sitemap文件大小不要超过50MB，并且包含的URL数量不要超过50000条。如果您的网站包含很多页面，则可以使用Sitemap索引文件来包含多个Sitemap文件。Sitemap索引文件的大小不应超过10MB，并且包含的Sitemap文件数量不应超过50000个。注：以上大小限制是Google搜索引擎的要求，其他搜索引擎可能会有不同的大小限制。

Public @ 2023-04-29 02:50:12

什么是死链&;死链的标准

页面已经无效，无法对用户提供任何有价值信息的页面就是死链接，包括协议死链和内容死链两种形式：1）协议死链：页面的TCP协议状态/HTTP协议状态明确表示的死链，常见的如404、403、503状态等。2）内容死链：服务器返回状态是正常的，但内容已经变更为不存在、已删除或需要权限等与原内容无关的信息页面。目前内容死链召回存在召回率的风险，所以建议各位站长尽量使用协议死链，以保证平台工具更好地发挥其作用

Public @ 2011-08-11 15:36:58

百度搜索robots协议全新升级公告

Robots是站点与spider沟通的重要渠道，站点通过robots文件声明本网站中不想被搜索引擎收录的部分或者指定搜索引擎只收录特定的部分。9月11日，百度搜索robots全新升级。升级后robots将优化对网站视频URL收录抓取情况。仅当您的网站包含不希望被视频搜索引擎收录的内容时，才需要使用robots.txt文件。如果您希望搜索引擎收录网站上所有内容，请勿建立robots.txt文件。如您

Public @ 2017-06-06 16:09:00

什么是HTML版本网站地图？网站地图有什么作用？

网站地图分为两种，一种是HTML版本的网站地图，另外一种则是XML网站地图。今天主要给大家讲解有关HTML版本。什么是HTML版本网站地图？HTML版本的网站地图就是用户可以在网站上看到的，列出网站所有主要的链接页面，一般会放在网站的顶部导航或者网站最底部，通常一些用户进入某个网站时，想快速的进入某个栏目，就可以通过网站地图来快速进入。网站地图不能罗列所有页面，可以采取两种方法解决：1、网站地图只

Public @ 2009-11-01 16:09:50

ETag使用效果对比&;经验分享

提起向百度提交数据，大家基本都会想到sitemap，最近又推出的ETag是什么东东？真的能有效果吗？其实在ETag推出之初，我们平台的非技术人员对效果也是没有预期的，于是请智联招聘SEO负责人桃李重点关注数据变化，就是希望能给各位同学看到最真实的效果。sitemap是解决网站收录至关重要的途径之一，而通常sitemap的更新都不是很及时，并且体量都相对较大，，此时也消耗了相应的网站流量及带宽。而E

Public @ 2016-07-31 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:0.023545s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017111s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016342s ]
[ 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:0.016664s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.015768s ]
[ 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:0.016857s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7910 LIMIT 1 [ RunTime:0.015904s ]
[ 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:0.016208s ]
[ 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:0.016274s ]
[ 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:0.016510s ]
[ 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` = 7910 LIMIT 1 [ RunTime:0.015751s ]
[ 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=7910 [ RunTime:0.018440s ]
[ 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:0.022650s ]
[ 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:0.035956s ]
[ 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Sitemap' AND `status` <> -1 LIMIT 1 [ RunTime:0.022827s ]
[ 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Sitemap' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032886s ]
[ 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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