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robots禁止抓取圖片

User-agent: *

Disallow: .jpg$

jpg可以代替為gif，png 等等...

來(lái)源：360站長(zhǎng)平臺(tái)

Public @ 2023-01-15 16:09:02

什么是nofollow：　　在html標(biāo)簽中，< a > 標(biāo)簽的rel 屬性被用于說(shuō)明當(dāng)前文檔與被鏈接文檔的關(guān)系。而nofollow則是其中的一種屬性值，其用法示例為：　　< a href="..." rel="nofollow" >...< /a >　　其另一種使用方法，也是最原始的使用方法，是用于網(wǎng)頁(yè)的元標(biāo)簽中，告訴搜

Public @ 2019-06-24 16:08:52

網(wǎng)站如何做好 301/302 跳轉(zhuǎn)

概念解釋301跳轉(zhuǎn)是指頁(yè)面永久性移走(永久跳轉(zhuǎn))，通常叫做301跳轉(zhuǎn)，也叫 301重定向，301轉(zhuǎn)向。301跳轉(zhuǎn)多用于舊網(wǎng)址在廢棄前轉(zhuǎn)向新網(wǎng)址以保證用戶的訪問(wèn)，在諸多服務(wù)器中，均支持本跳轉(zhuǎn)方法。302重定向又稱之為暫時(shí)性轉(zhuǎn)移(臨時(shí)跳轉(zhuǎn))，英文名稱：302 redirect。也被認(rèn)為是暫時(shí)重定向，一條對(duì)網(wǎng)站瀏覽器的指令來(lái)顯示瀏覽器被要求顯示的不同的URL，當(dāng)一個(gè)網(wǎng)頁(yè)歷過(guò)短期的URL的變化時(shí)使用

Public @ 2011-02-23 16:09:05

robots 禁止快照

要防止所有搜索引擎顯示您網(wǎng)站的快照，請(qǐng)將此元標(biāo)記置入網(wǎng)頁(yè)的 <HEAD> 部分：<meta name="robots" content="noarchive">要允許其他搜索引擎顯示快照，但僅防止搜索引擎顯示，請(qǐng)使用以下標(biāo)記：<meta name="Baiduspider" content="noa

Public @ 2018-10-07 16:09:29

玩轉(zhuǎn)robots協(xié)議

2013年2月8日北京市第一中級(jí)人民法院正式受理了百度訴奇虎360違反“Robots協(xié)議”抓取、復(fù)制其網(wǎng)站內(nèi)容的不正當(dāng)競(jìng)爭(zhēng)行為一案，索賠金額高達(dá)一億元，這可以看做2012年下半年“3B大戰(zhàn)”的繼續(xù)。在此次索賠案件中，百度稱自己的Robots文本中已設(shè)定不允許360爬蟲進(jìn)入，而360的爬蟲依然對(duì)“百度知道”、“百度百科”等百度網(wǎng)站內(nèi)容進(jìn)行抓取。其實(shí)早在2012年11月初，針對(duì)雙方摩擦加劇的情況，在中

Public @ 2019-05-13 16:09:21

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.025045s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018047s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4391 LIMIT 1 [ RunTime:0.016800s ]
[ 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:0.017069s ]
[ 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:0.017260s ]
[ 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:0.018006s ]
[ 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` = 4391 LIMIT 1 [ RunTime:0.016883s ]
[ 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=4391 [ RunTime:0.017542s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海網(wǎng)站結(jié)構(gòu)優(yōu)化' AND `status` <> -1 LIMIT 1 [ RunTime:0.025168s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海網(wǎng)站結(jié)構(gòu)優(yōu)化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.045051s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Robots' AND `status` <> -1 LIMIT 1 [ RunTime:0.024123s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Robots' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.041527s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.470420s

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robots禁止抓取圖片

nofollow的定義及如何正確使用nofollow?

網(wǎng)站如何做好 301/302 跳轉(zhuǎn)

robots 禁止快照

玩轉(zhuǎn)robots協(xié)議

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