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为什么抓取频次突然减少？

抓取频次突然减少可能是由以下原因造成的： 1. 网站更新或改版：当网站进行更新或改版时，可能会暂停服务或改变页面结构，导致爬虫无法访问或抓取数据。 2. IP被封禁：如果爬虫使用同一个IP地址多次访问某个网站，网站可能会将该IP地址封禁，导致无法访问或抓取数据。 3. 爬虫程序出现问题：如果爬虫程序出现错误或崩溃，可能会导致无法正常抓取数据。 4. 网络连接问题：当网络连接不稳定或遭受干扰时，可能会导致无法访问或抓取数据。 5. 数据库容量不足：当爬虫抓取的数据量不断增加，可能会导致数据库容量不足，无法继续存储数据，从而导致抓取频次减少。因此，需要仔细分析和排查以上原因，并采取相应的措施来解决问题。

Public @ 2023-06-26 14:00:21

已收录网页内容为什么突然消失？

产生的原因： 1. 网站服务器异常、百度抓取失败导致线上结果短暂取消收录，线上恢复后可以在一定周期内容恢复。 2. 网站错误设置robots被封禁、网站对百度封禁导致抓取异常、

Public @ 2010-12-28 16:06:39

站内搜索工具帮助

目录什么是站内搜索？如何创建站内搜索？管理您的站内搜索基本信息搜索框样式提交数据结果页设置获得收入搜索干预统计信息附录什么是站内搜索？站内搜索全称为“百度自定义站内搜索（Custom Search）”，旨在帮助站长面向其站点用户低成本地提供高质量的搜索服务。借助站内搜索工具，您可以：自定义搜索框和搜索结果页的展现样式提交数据给百度，增加收录量关联广告位以获得收入根据需要进行搜索结果置顶、屏蔽等干预

Public @ 2014-03-21 16:07:29

百度搜索资源平台-消息管理及主页管理下线公告

亲爱的搜索合作伙伴：由于业务调整，搜索资源平台移动专区消息管理与主页管理功能已下线，给您带来的不便敬请谅解。来源：百度搜索资源平台

Public @ 2013-03-29 16:05:24

百度搜索资源平台-HTTPS认证失败的原因有哪些？

1. 服务器端没有正确配置HTTPS证书。 2. HTTPS证书过期。 3. HTTPS证书不匹配。 4. 服务器端防火墙配置错误。 5. 客户端浏览器本身存在安全漏洞。 6. 黑客攻击或中间人攻击。 7. 网络连接不稳定或者网络质量不好导致无法传输HTTPS证书。 8. HTTPS证书被恶意劫持。

Public @ 2023-04-14 22:00:14

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[ DB ] CONNECT:[ UseTime:0.025692s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.018148s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.017319s ]
[ 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:0.018064s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.017201s ]
[ 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:0.018205s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9460 LIMIT 1 [ RunTime:0.017305s ]
[ 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:0.017761s ]
[ 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:0.017899s ]
[ 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:0.018502s ]
[ 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` = 9460 LIMIT 1 [ RunTime:0.017359s ]
[ 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=9460 [ RunTime:0.020675s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海百度搜索资源平台' AND `status` <> -1 LIMIT 1 [ RunTime:0.024765s ]
[ 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` = '威海百度搜索资源平台' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.054245s ]
[ 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` = '威海百度搜索资源平台' AND `status` <> -1 LIMIT 1 [ RunTime:0.024401s ]
[ 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` = '威海百度搜索资源平台' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.042452s ]
[ 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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