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robots.txt語法教程

用幾個(gè)最常見的情況，直接舉例說明:

1. 允許所有SE收錄本站:robots.txt為空就可以，什么都不要寫。

2. 禁止所有SE收錄網(wǎng)站的某些目錄:

User-agent: *

Disallow: /目錄名1/

Disallow: /目錄名2/

Disallow: /目錄名3/

3. 禁止某個(gè)SE收錄本站，例如禁止百度:

User-agent: Baiduspider

Disallow: /

4. 禁止所有SE收錄本站:

User-agent: *

Disallow: /

5. 加入sitemap.xml路徑,例如:

來源：360站長平臺(tái)

Public @ 2017-12-16 16:09:16

原域名所有頁面都跳轉(zhuǎn)至新域頁首頁會(huì)有什么影響？

原域名所有頁面都跳轉(zhuǎn)至新域頁首頁會(huì)有什么影響？答：新域名首頁將會(huì)替換舊域名首頁，新域名首頁僅繼承舊域名首頁的屬性，不會(huì)產(chǎn)生1+1>2的效果。舊域名在短時(shí)間內(nèi)仍然可查。但隨著時(shí)間推移，舊域名由于質(zhì)量下降最終會(huì)被清除出數(shù)據(jù)庫。來源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

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

Nofollow

nofollow 是HTML頁面中a標(biāo)簽的屬性值。這個(gè)標(biāo)簽的意義是告訴搜索引擎"不要追蹤此網(wǎng)頁上的鏈接或不要追蹤此特定鏈接"。nofollow是HTML頁面中a標(biāo)簽的屬性值。它的出現(xiàn)為網(wǎng)站管理員提供了一種方式，即告訴搜索引擎"不要追蹤此網(wǎng)頁上的鏈接"或"不要追蹤此特定鏈接"。這個(gè)標(biāo)簽的意義是告訴搜索引擎這個(gè)鏈接不是經(jīng)過作者信任的，所以這個(gè)

Public @ 2009-03-10 16:08:53

robot 禁止抓取圖片

可以在Robot協(xié)議文件中添加"User-agent:*"以及"Disallow: /images/"，這樣Robot就會(huì)禁止抓取圖片。

Public @ 2023-02-24 10:24:06

禁止搜索引擎收錄的方法

1. 什么是robots.txt文件?搜索引擎使用spider程序自動(dòng)訪問互聯(lián)網(wǎng)上的網(wǎng)頁并獲取網(wǎng)頁信息。spider在訪問一個(gè)網(wǎng)站時(shí)，會(huì)首先會(huì)檢查該網(wǎng)站的根域下是否有一個(gè)叫做 robots.txt的純文本文件，這個(gè)文件用于指定spider在您網(wǎng)站上的抓取范圍。您可以在您的網(wǎng)站中創(chuàng)建一個(gè)robots.txt，在文件中聲明該網(wǎng)站中不想被搜索引擎收錄的部分或者指定搜索引擎只收錄特定的部分。請(qǐng)注意，僅當(dāng)

Public @ 2015-10-28 16:08:55

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:0.023916s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017124s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4419 LIMIT 1 [ RunTime:0.019736s ]
[ 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:0.017077s ]
[ 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:0.016788s ]
[ 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:0.016789s ]
[ 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` = 4419 LIMIT 1 [ RunTime:0.016130s ]
[ 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=4419 [ RunTime:0.017066s ]
[ 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:0.023631s ]
[ 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` = '威海網(wǎng)站結(jié)構(gòu)優(yōu)化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035187s ]
[ 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Robots' AND `status` <> -1 LIMIT 1 [ RunTime:0.022639s ]
[ 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Robots' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039767s ]
[ 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', ) ]

0.449001s

Categories

Tags

robots.txt語法教程

原域名所有頁面都跳轉(zhuǎn)至新域頁首頁會(huì)有什么影響？

Nofollow

robot 禁止抓取圖片

禁止搜索引擎收錄的方法

更多您感興趣的搜索

Categories

Tags

robots.txt語法教程

原域名所有頁面都跳轉(zhuǎn)至新域頁首頁會(huì)有什么影響？

Nofollow

robot 禁止抓取圖片

禁止搜索引擎收錄的方法

更多您感興趣的搜索

原域名所有頁面都跳轉(zhuǎn)至新域頁首頁會(huì)有什么影響？