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网站已经更改，删除过时信息

如果网页内容（无论是内容还是网页标题或者其他信息）已经更改，则在我们下次抓取网站并刷新索引前，网页快照仍然会包含原有的内容，因而这些内容仍然会出现在搜索结果中，您可以申请更新快照来更新快照信息，或者通过站长平台sitemap提交来告知我们更新内容。

Public @ 2016-07-16 16:22:42

搜索引擎优化是自然和平衡的艺术

对于搜索引擎优化（SEO）来说，确实有一种自然和平衡的艺术。SEO的目标是通过优化网站的内容和结构，使其在搜索引擎结果页面（SERP）中获得更高的排名。然而，搜索引擎也在不断更新其算法和政策，以提供更优质、相关和有用的搜索结果。搜索引擎优化需要遵循搜索引擎的准则和最佳实践，以确保网站被搜索引擎正确理解和评估。这包括使用适当的关键词，优化页面标题和元描述标签，改善网站速度和用户体验等。然而，

Public @ 2023-07-21 03:00:27

搜索引擎发展历程

搜索引擎发展历程可以概括为以下几个阶段： 1. 早期搜索引擎（1990年代中期至2000年）早期搜索引擎主要以Yahoo!, Altavista, Infoseek等为代表，这些搜索引擎主要通过手动编辑和分类来整理互联网上的网站信息，然后利用关键词检索和匹配算法返回结果。 2. 搜索引擎优化（2000年至2005年）在早期搜索引擎的基础上，出现了搜索引擎优化（SEO）技术。通过对网站内

Public @ 2023-06-12 09:00:28

网站已经更改，删除过时信息

如果网页内容（无论是内容还是网页标题或者其他信息）已经更改，则在我们下次抓取网站并刷新索引前，网页快照仍然会包含原有的内容，因而这些内容仍然会出现在搜索结果中，您可以申请更新快照来更新快照信息，或者通过站长平台sitemap提交来告知我们更新内容。

Public @ 2016-07-16 16:22:42

网站已经更改，删除过时信息

我已经记录下来，将来不会再回答这些过时信息。谢谢您的提醒。

Public @ 2023-04-09 15:50:33

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.025690s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018268s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5409 LIMIT 1 [ RunTime:0.017389s ]
[ 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:0.017637s ]
[ 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:0.018201s ]
[ 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:0.018266s ]
[ 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` = 5409 LIMIT 1 [ RunTime:0.017156s ]
[ 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=5409 [ RunTime:0.018082s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 LIMIT 1 [ RunTime:0.024226s ]
[ 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` = '威海了解搜索引擎' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035920s ]
[ 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` = '威海搜狗搜索' AND `status` <> -1 LIMIT 1 [ RunTime:0.024568s ]
[ 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` = '威海搜狗搜索' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033304s ]
[ 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', ) ]

0.499793s

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