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什么是HTML版本网站地图？网站地图有什么作用？

HTML版本网站地图指的是一种包含网站所有页面的列表，可以直接在网站上进行访问和浏览的网页。它以HTML标记语言格式编写，被搜索引擎和爬虫程序识别，方便这些程序对网站内部链接结构的探索和索引。网站地图主要有以下作用： 1.帮助搜索引擎和爬虫程序更好地索引网站，提高网站在搜索引擎中的排名； 2.方便用户快速找到需要的信息，提高用户体验； 3.展示网站的结构和内容，提升网站的可视性和可访问性； 4.作为网站运营者的一种管理工具，可以及时了解网站内容的更新情况，进而优化网站结构和内容。

Public @ 2023-03-28 22:00:20

搜索引擎收录机制是什么？

搜索引擎收录机制就是搜索引擎系统执行网页抓取、URL分析、文本链接分析、内容分析及网页排序等一系列操作而形成的一种机制。这个机制由爬虫、索引和查询构成，爬虫存储所有网络上数据、分析搜索引擎索引，而搜索引擎索引就像物理上的索引一样，能让搜索引擎定位到目标页面；最后查询的时候则是让搜索引擎根据索引定位相应的页面，最终完成数据的展示。

Public @ 2023-03-03 13:00:15

robots

Robots are machines that are capable of carrying out complex tasks automatically, often in a manner similar to human beings. They can be programmed to perform a wide range of actions, from simple acti

Public @ 2023-03-29 04:50:11

站点地图分类

1、sitemap（sitemap.xml，sitemap.txt）这一类站点地图包含了该网站的所有连接，一般提交给爬虫去爬。让搜索引擎去收录网站内容。2、站点导航，主要是面向访问网站的用户。将网站连接分类，整理后展现在用户面前。

Public @ 2013-10-14 16:11:50

sitemap都支持哪些格式?

支持XML格式和TXT文本格式。

Public @ 2018-09-08 16:11:57

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[ DB ] CONNECT:[ UseTime:0.025168s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017700s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6457 LIMIT 1 [ RunTime:0.017008s ]
[ 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:0.017251s ]
[ 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:0.017421s ]
[ 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:0.021605s ]
[ 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` = 6457 LIMIT 1 [ RunTime:0.016860s ]
[ 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=6457 [ RunTime:0.017767s ]
[ 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:0.026775s ]
[ 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:0.043653s ]
[ 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:0.026352s ]
[ 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:0.033416s ]
[ 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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