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為什么抓取頻次突然減少？

抓取頻次突然減少可能有以下幾個(gè)原因： 1.服務(wù)器問(wèn)題：抓取頻次減少可能是因?yàn)榉?wù)器出現(xiàn)了故障或者網(wǎng)絡(luò)連接出現(xiàn)了問(wèn)題，導(dǎo)致抓取程序無(wú)法正常訪問(wèn)目標(biāo)網(wǎng)站。 2.網(wǎng)站限制：有些網(wǎng)站會(huì)對(duì)頻繁的抓取請(qǐng)求進(jìn)行限制，比如設(shè)置抓取頻率限制或者IP封鎖等措施，一旦觸發(fā)了限制條件，抓取頻次就會(huì)減少。 3.機(jī)器問(wèn)題：如果抓取程序運(yùn)行的機(jī)器出現(xiàn)了性能問(wèn)題或者宕機(jī)等情況，就會(huì)導(dǎo)致抓取頻次減少。 4.人為干預(yù)：有時(shí)候網(wǎng)站管理者會(huì)發(fā)現(xiàn)異常的抓取行為，可能會(huì)采取措施限制抓取頻次，比如添加驗(yàn)證碼、增加人機(jī)驗(yàn)證等。綜上所述，抓取頻次突然減少可能是由于服務(wù)器問(wèn)題、網(wǎng)站限制、機(jī)器問(wèn)題或者人為干預(yù)等原因引起的。需要根據(jù)具體情況進(jìn)行排查和解決。

Public @ 2023-07-20 18:50:25

SEO界領(lǐng)袖齊聚百度站長(zhǎng)平臺(tái)高端沙龍（廈門站）

近日，在百度站長(zhǎng)平臺(tái)與廈門大學(xué)的聯(lián)合舉辦下，一場(chǎng)以“SEO新思維”為主題的高端沙龍?jiān)趶B門成功舉辦。來(lái)自全國(guó)各地的SEO界領(lǐng)袖、行業(yè)媒體和從業(yè)者共聚一堂，分享經(jīng)驗(yàn)、交流見(jiàn)解，探討SEO行業(yè)的最新趨勢(shì)和發(fā)展方向。此次高端沙龍邀請(qǐng)了多位SEO界的大咖作為主講嘉賓，其中包括百度網(wǎng)頁(yè)搜索事業(yè)部高級(jí)產(chǎn)品經(jīng)理李浩然、百度搜索技術(shù)部高級(jí)工程師李洋、百度搜索營(yíng)銷事業(yè)部高級(jí)經(jīng)理劉鑫、阿里巴巴集團(tuán)技術(shù)委員會(huì)主席劉鵬

Public @ 2023-06-05 09:50:14

AI合作讓網(wǎng)站更黑科技

來(lái)自90后最關(guān)注的視頻平臺(tái)Acfun（A站）的產(chǎn)品負(fù)責(zé)人表示：我們最近正在和百度AI合作，A站的核心其實(shí)是用戶貢獻(xiàn)的彈幕內(nèi)容比較新潮，有意思，引發(fā)大量關(guān)注，但是在移動(dòng)端打字是一件很難的事，我們和百度AI合作，這樣用語(yǔ)音就能發(fā)彈幕了，這樣讓我們的產(chǎn)品更加黑科技了，也解決了移動(dòng)端輸入不方便的問(wèn)題。

Public @ 2022-11-24 16:06:14

視頻網(wǎng)站垂類深『度』溝通：視頻網(wǎng)站如何跨出紅海？

5月11日，深『度』溝通系列活動(dòng)—視頻站點(diǎn)溝通活動(dòng)，在百度科技園成功舉辦，來(lái)自優(yōu)酷、酷六、Acfun、蛙趣視頻的產(chǎn)品負(fù)責(zé)人參與了此次活動(dòng)。深『度』溝通系列活動(dòng)，是由百度站長(zhǎng)平臺(tái)主辦，旨在秉承百度『用戶至上』理念為百度搜索重點(diǎn)合作站點(diǎn)搭建與百度搜索產(chǎn)品溝通的橋梁而設(shè)立的系列活動(dòng)。通過(guò)活動(dòng)，站點(diǎn)可以和百度搜索產(chǎn)品負(fù)責(zé)人針對(duì)產(chǎn)品和未來(lái)合作方向充分交流，也讓產(chǎn)品負(fù)責(zé)人了解生態(tài)，更好的改進(jìn)產(chǎn)品，促進(jìn)更深的合

Public @ 2011-10-15 16:06:16

移動(dòng)化培訓(xùn)長(zhǎng)沙視頻2——搶奪移動(dòng)流量技術(shù)選型來(lái)源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

移動(dòng)流量越來(lái)越高，創(chuàng)業(yè)家們是不是坐不住了？PC站點(diǎn)是不是坐不住了？那么，問(wèn)題來(lái)了：該選擇哪種方式獲取移動(dòng)流量和移動(dòng)用戶呢？各種方式的優(yōu)缺點(diǎn)是什么？如果想做移動(dòng)網(wǎng)站，有哪些選擇呢？——當(dāng)然沒(méi)有一個(gè)標(biāo)準(zhǔn)答案，還要根據(jù)具體需求和條件進(jìn)行判斷選擇，百度能告訴你的是：

Public @ 2022-03-28 16:02:13

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.024602s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017485s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9679 LIMIT 1 [ RunTime:0.016566s ]
[ 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:0.016803s ]
[ 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:0.017284s ]
[ 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:0.017213s ]
[ 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` = 9679 LIMIT 1 [ RunTime:0.016513s ]
[ 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=9679 [ RunTime:0.031753s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海百度搜索資源平臺(tái)' AND `status` <> -1 LIMIT 1 [ RunTime:0.025419s ]
[ 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` = '威海百度搜索資源平臺(tái)' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.041017s ]
[ 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` = '威海百度搜索資源平臺(tái)' AND `status` <> -1 LIMIT 1 [ RunTime:0.023724s ]
[ 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` = '威海百度搜索資源平臺(tái)' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.044389s ]
[ 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', ) ]

0.480102s

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為什么抓取頻次突然減少？

SEO界領(lǐng)袖齊聚百度站長(zhǎng)平臺(tái)高端沙龍（廈門站）

AI合作讓網(wǎng)站更黑科技

視頻網(wǎng)站垂類深『度』溝通：視頻網(wǎng)站如何跨出紅海？

移動(dòng)化培訓(xùn)長(zhǎng)沙視頻2——搶奪移動(dòng)流量技術(shù)選型來(lái)源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

更多您感興趣的搜索

Categories

Tags

為什么抓取頻次突然減少？

SEO界領(lǐng)袖齊聚百度站長(zhǎng)平臺(tái)高端沙龍（廈門站）

AI合作讓網(wǎng)站更黑科技

視頻網(wǎng)站垂類深『度』溝通：視頻網(wǎng)站如何跨出紅海？

移動(dòng)化培訓(xùn)長(zhǎng)沙視頻2——搶奪移動(dòng)流量技術(shù)選型 來(lái)源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

更多您感興趣的搜索

移動(dòng)化培訓(xùn)長(zhǎng)沙視頻2——搶奪移動(dòng)流量技術(shù)選型來(lái)源：百度搜索資源平臺(tái) 百度搜索學(xué)堂