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百度搜索引擎是中國(guó)最大的搜索引擎之一，它的基礎(chǔ)知識(shí)包括如下幾點(diǎn)： 1. 檢索方式：百度搜索引擎是基于關(guān)鍵詞的檢索方式，用戶(hù)輸入關(guān)鍵字進(jìn)行查詢(xún)，百度會(huì)通過(guò)算法分析索引庫(kù)中的信息，并以相關(guān)度排序呈現(xiàn)給用戶(hù)。 2. 搜索排名：百度的搜索結(jié)果排名是按照一系列算法計(jì)算出的，在搜索結(jié)果頁(yè)面中，排名越靠前的頁(yè)面一般來(lái)說(shuō)被認(rèn)為是相關(guān)度更高的頁(yè)面。 3. 網(wǎng)頁(yè)收錄：百度會(huì)通過(guò)網(wǎng)絡(luò)爬蟲(chóng)程序收集并存儲(chǔ)互聯(lián)網(wǎng)上的信息，這就是網(wǎng)頁(yè)收錄。一個(gè)網(wǎng)站被收錄到百度上能夠提高該網(wǎng)站在搜索結(jié)果中的曝光率。 4. 搜索算法：百度的搜索算法是保密的，但是根據(jù)官方公布的一些信息，百度的搜索算法主要包括：PageRank算法、鏈接分析算法、主題挖掘算法、用戶(hù)反饋信號(hào)等。 5. 廣告：百度搜索結(jié)果頁(yè)面中有一部分是廣告，這些廣告是根據(jù)廣告主的出價(jià)和廣告素材的質(zhì)量進(jìn)行排名的，在搜索結(jié)果頁(yè)面中標(biāo)志為“推廣”。 6. SEO：SEO是搜索引擎優(yōu)化的縮寫(xiě)，是為了提升網(wǎng)站在搜索結(jié)果中的排名而進(jìn)行的一系列優(yōu)化操作。百度的SEO操作與Google有所不同，它主要包括：研究關(guān)鍵詞、網(wǎng)頁(yè)內(nèi)優(yōu)化、網(wǎng)站外鏈建設(shè)等。 7. 索引庫(kù)：百度搜索引擎維護(hù)了龐大的索引庫(kù)，其中包括了數(shù)百億的頁(yè)面，這些頁(yè)面是百度搜索結(jié)果排名的主要依據(jù)之一。索引庫(kù)的更新周期相對(duì)較長(zhǎng)，一般在數(shù)天到幾周不等。

Public @ 2023-06-05 02:00:17

Baiduspider抓取造成的帶寬堵塞？

威海Spider 威海Baiduspider
995

Baiduspider的正常抓取并不會(huì)造成您網(wǎng)站的帶寬堵塞，造成此現(xiàn)象可能是由于有人冒充Baiduspider惡意抓取。如果您發(fā)現(xiàn)有名為Baiduspider的agent抓取并且造成帶寬堵塞，請(qǐng)盡快和我們聯(lián)系。您可以將信息反饋至投訴平臺(tái) ，如果能夠提供您網(wǎng)站該時(shí)段的訪問(wèn)日志將更加有利于我們的分析。

Public @ 2022-11-07 15:56:46

【官方說(shuō)法】百度蜘蛛抓取流量暴增的原因

威海Spider 威海Baiduspider
819

Spider對(duì)網(wǎng)站抓取數(shù)量突增往往給站點(diǎn)帶來(lái)很大煩惱，紛紛找平臺(tái)想要Baiduspider IP白名單，但實(shí)際上BaiduSpider IP會(huì)隨時(shí)變化，所以并不敢公布出來(lái)，擔(dān)心站長(zhǎng)設(shè)置不及時(shí)影響抓取效果。百度是怎么計(jì)算分配抓取流量的呢？站點(diǎn)抓取流量暴增的原因有哪些呢？總體來(lái)說(shuō)，Baiduspider會(huì)根據(jù)站點(diǎn)規(guī)模、歷史上網(wǎng)站每天新產(chǎn)出的鏈接數(shù)量、已抓取網(wǎng)頁(yè)的綜合質(zhì)量打分等等，來(lái)綜合計(jì)算抓取流量，同

Public @ 2011-07-18 15:38:37

Baiduspider的user-agent是什么？

威海Spider 威海Baiduspider
900

索引擎百度各個(gè)產(chǎn)品使用不同的user-agent:產(chǎn)品名稱(chēng)對(duì)應(yīng)user-agent網(wǎng)頁(yè)搜索Baiduspider移動(dòng)搜索Baiduspider圖片搜索Baiduspider-image視頻搜索Baiduspider-video新聞搜索Baiduspider-news百度搜藏Baiduspider-favo百度聯(lián)盟Baiduspider-cpro商務(wù)搜索Baiduspider-ads

Public @ 2018-11-07 15:56:50

Baiduspider對(duì)一個(gè)網(wǎng)站服務(wù)器造成的訪問(wèn)壓力如何？

威海Spider 威海Baiduspider
689

為了達(dá)到對(duì)目標(biāo)資源較好的檢索效果，Baiduspider需要對(duì)您的網(wǎng)站保持一定量的抓取。我們盡量不給網(wǎng)站帶來(lái)不合理的負(fù)擔(dān)，并會(huì)根據(jù)服務(wù)器承受能力，網(wǎng)站質(zhì)量，網(wǎng)站更新等綜合因素來(lái)進(jìn)行調(diào)整。如果您覺(jué)得baiduspider的訪問(wèn)行為有任何不合理的情況，您可以反饋至反饋中心。

Public @ 2018-08-16 15:38:42

更多您感興趣的搜索

基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.024719s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017296s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016686s ]
[ 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:0.017381s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016505s ]
[ 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:0.017793s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8453 LIMIT 1 [ RunTime:0.016716s ]
[ 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:0.017080s ]
[ 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:0.017234s ]
[ 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:0.017273s ]
[ 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` = 8453 LIMIT 1 [ RunTime:0.016675s ]
[ 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=8453 [ RunTime:0.017387s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海Spider' AND `status` <> -1 LIMIT 1 [ RunTime:0.023539s ]
[ 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Spider' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035717s ]
[ 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Baiduspider' AND `status` <> -1 LIMIT 1 [ RunTime:0.024420s ]
[ 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Baiduspider' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035547s ]
[ 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', ) ]

0.621703s

Categories

Tags

百度搜索引擎基礎(chǔ)知識(shí)

Baiduspider抓取造成的帶寬堵塞？

【官方說(shuō)法】百度蜘蛛抓取流量暴增的原因

Baiduspider的user-agent是什么？

Baiduspider對(duì)一個(gè)網(wǎng)站服務(wù)器造成的訪問(wèn)壓力如何？

更多您感興趣的搜索

Categories

Tags

百度搜索引擎基礎(chǔ)知識(shí)

Baiduspider抓取造成的帶寬堵塞？

【官方說(shuō)法】百度蜘蛛抓取流量暴增的原因

Baiduspider的user-agent是什么？

Baiduspider對(duì)一個(gè)網(wǎng)站服務(wù)器造成的訪問(wèn)壓力如何？

更多您感興趣的搜索

Baiduspider抓取造成的帶寬堵塞？

Baiduspider的user-agent是什么？

Baiduspider對(duì)一個(gè)網(wǎng)站服務(wù)器造成的訪問(wèn)壓力如何？