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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

叨叨死链这回事儿

叨叨死链是指在互联网上的一种现象，即某个链接已经失效，无法正常访问或跳转到目标网页或资源。叨叨死链可能是由于目标网页删除、网页重构导致链接改变或输入错误等原因造成的。叨叨死链在互联网上比较常见，特别是在一些较老的或不经常维护的网站上。这些死链会给用户带来不便，尤其当用户点击一个链接时，期望能够直接访问相关内容，却发现链接已经失效，无法打开目标页面。对于网站所有者来说，及时修复死链是保持网站

Public @ 2023-07-21 00:50:23

Robots META标签的写法

Robots META标签中没有大小写之分，name=”Robots”表示所有的搜索引擎，可以针对某个具体搜索引擎写为name=”BaiduSpider”。 content部分有四个指令选项：index、noindex、follow、nofollow，指令间以“,”分隔。INDEX 指令告诉搜索机器人抓取该页面；FOLLOW 指令表示搜索机器人可以沿着该页面上的链接继续抓取下去；Robots Me

Public @ 2019-08-04 16:09:30

sitemap提交后，多久能被百度抓取？

通常情况下，sitemap提交后，百度会在1-2天内进行抓取。但具体时间也受到网站规模、更新频率、抓取限制等因素的影响。如果长期未被抓取，可以检查一下sitemap是否存在问题，并通过百度站长平台的工具进行排查。

Public @ 2023-06-16 10:50:16

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:0.025050s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017781s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016866s ]
[ 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:0.017665s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016797s ]
[ 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:0.017645s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7910 LIMIT 1 [ RunTime:0.016704s ]
[ 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:0.017442s ]
[ 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:0.017268s ]
[ 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:0.017423s ]
[ 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:0.016953s ]
[ 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:0.019688s ]
[ 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:0.023867s ]
[ 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:0.037812s ]
[ 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:0.023694s ]
[ 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:0.033510s ]
[ 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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