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頭條搜索UA（User Agent）是指頭條搜索爬蟲在訪問并抓取網(wǎng)站數(shù)據(jù)時(shí)，所使用的瀏覽器標(biāo)識(shí)。多數(shù)爬蟲在訪問網(wǎng)站時(shí)，會(huì)使用特定的瀏覽器標(biāo)識(shí)，以便服務(wù)器能夠識(shí)別其為爬蟲，并為其提供特定的處理方式。頭條搜索爬蟲也不例外，其使用的UA是："Mozilla/5.0 (compatible; ToutiaoSpider/2.0; +http://toutiao.com/)"。其中，"Mozilla/5.0"表示使用的瀏覽器為Firefox 3.6，"ToutiaoSpider/2.0"表示爬蟲的版本號(hào)為2.0，"+http://toutiao.com/"則是ToutiaoSpider的官方頁面。

Public @ 2023-06-24 16:50:08

sogou spider 如何反應(yīng)我網(wǎng)站上頁面的更新？

威海Spider 威海sogou spider
1025

sogou spider 會(huì)根據(jù)網(wǎng)頁的重要性和歷史變化情況來動(dòng)態(tài)調(diào)整更新時(shí)間，更新已經(jīng)抓取過的頁面

Public @ 2010-09-06 15:38:57

如何用程序識(shí)別Baiduspider ua

威海Spider 威海Baiduspider
1268

近日，Baiduspider針對(duì)移動(dòng)抓取user agent（以下簡稱ua）進(jìn)行了升級(jí)，與PC端的抓取ua做到版本統(tǒng)一，均稱為Baiduspider/2.0。從此次更新的移動(dòng)ua和PC ua來看，不管是移動(dòng)ua還是PC ua都包含有關(guān)鍵字Baiduspider，我們可以由此判斷訪客ua是不是來自百度。與PC ua不同的是，移動(dòng)ua包含有關(guān)鍵字android和mobile，再通過這兩個(gè)關(guān)鍵字，我們

Public @ 2016-12-20 15:38:45

頭條搜索Bytespider基本流程

1. 抓取網(wǎng)頁每個(gè)獨(dú)立的搜索引擎都有自己的網(wǎng)頁抓取程序爬蟲（Spider）。爬蟲順著網(wǎng)頁中的超鏈接，從這個(gè)網(wǎng)站爬到另一個(gè)網(wǎng)站，通過超鏈接分析連續(xù)訪問抓取更多網(wǎng)頁。被抓取的網(wǎng)頁被稱之為網(wǎng)頁快照。由于互聯(lián)網(wǎng)中超鏈接的應(yīng)用很普遍，理論上，從一定范圍的網(wǎng)頁出發(fā)，就能搜集到絕大多數(shù)的網(wǎng)頁。2. 處理網(wǎng)頁搜索引擎抓到網(wǎng)頁后，還要做大量的預(yù)處理工作，才能提供檢索服務(wù)。其中，最重要的就是提取關(guān)鍵詞，建立索引庫和索

Public @ 2022-03-13 15:38:59

頭條搜索站長平臺(tái)-關(guān)于Bytespider

威海Spider 威海Bytespider
625

頭條搜索UA介紹頭條搜索的爬蟲UA為“Bytespider”首寫字母為大寫,例如：PCMozilla/5.0 (compatible; Bytespider; https://zhanzhang.toutiao.com/) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.0.0 Safari/537.36AndroidMozilla/5.0 (

Public @ 2016-11-30 15:39:00

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.028493s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020369s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9370 LIMIT 1 [ RunTime:0.019630s ]
[ 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:0.019543s ]
[ 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:0.019580s ]
[ 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:0.019862s ]
[ 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` = 9370 LIMIT 1 [ RunTime:0.019109s ]
[ 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=9370 [ RunTime:0.019943s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海Spider' AND `status` <> -1 LIMIT 1 [ RunTime:0.026322s ]
[ 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:0.037067s ]
[ 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Bytespider' AND `status` <> -1 LIMIT 1 [ RunTime:0.026349s ]
[ 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Bytespider' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035514s ]
[ 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', ) ]

0.505689s

Categories

Tags

頭條搜索UA介紹

sogou spider 如何反應(yīng)我網(wǎng)站上頁面的更新？

如何用程序識(shí)別Baiduspider ua

頭條搜索Bytespider基本流程

頭條搜索站長平臺(tái)-關(guān)于Bytespider

更多您感興趣的搜索

Categories

Tags

頭條搜索UA介紹

sogou spider 如何反應(yīng)我網(wǎng)站上頁面的更新？

如何用程序識(shí)別Baiduspider ua

頭條搜索Bytespider基本流程

頭條搜索站長平臺(tái)-關(guān)于Bytespider

更多您感興趣的搜索

sogou spider 如何反應(yīng)我網(wǎng)站上頁面的更新？