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哪些網(wǎng)站的目錄需求運用robots.txt文件制止抓取

以下是一些可能需要使用robots.txt文件制止抓取的網(wǎng)站目錄： 1. 敏感網(wǎng)站：包括醫(yī)療機構(gòu)、政府機構(gòu)、銀行和其他敏感機構(gòu)的網(wǎng)站。 2. 私人網(wǎng)站：包括個人博客、論壇和社交媒體賬號。 3. 用戶數(shù)據(jù)：包括個人信息、照片、視頻和其他敏感數(shù)據(jù)。 4. 搜索引擎排除頁面：包括不想在搜索引擎結(jié)果中出現(xiàn)的頁面。 5. 網(wǎng)站目錄：包括一些不需要搜索引擎索引的目錄，如網(wǎng)站的管理員和內(nèi)部頁面。 6. 圖片和視頻：包括不需要被搜索引擎索引的圖片和視頻，如網(wǎng)站的管理員和內(nèi)部圖片和視頻。 7. 測試和開發(fā)目錄：包括測試和開發(fā)過程中產(chǎn)生的目錄，這些目錄可能包含網(wǎng)站的機密信息，不宜被搜索引擎索引。

Public @ 2023-06-13 02:50:20

自動化錨文本的常見問答

問：當(dāng)內(nèi)容里出現(xiàn)AAB這樣的關(guān)鍵詞時，錨文本是給AAB、還是AA或AB?我們設(shè)置的規(guī)則是給AAB，即當(dāng)長詞和短詞都是關(guān)鍵詞時，錨文本給長詞。問：同一個關(guān)鍵詞在內(nèi)容里出現(xiàn)多次會怎么樣？一個內(nèi)容里同一個關(guān)鍵詞錨文本僅加第一次，同一個URL也只做一次錨文本。問：如果自動添加的錨文本不滿意怎么辦？在功能設(shè)置里，可以選擇自動添加錨文本，或手動添加。問：定時發(fā)布的內(nèi)容錨文本是怎么安排？內(nèi)容選擇定時發(fā)布、草稿箱

Public @ 2017-10-07 16:11:33

網(wǎng)站結(jié)構(gòu)有哪些類型1：什么是樹狀結(jié)構(gòu)

我們都知道，搜索引擎喜歡的網(wǎng)站結(jié)構(gòu)是樹狀結(jié)構(gòu)，樹狀結(jié)構(gòu)符合人們對知識的歸類習(xí)慣。比如：圖書館的閱覽室分為：自然科學(xué)閱覽室、人文科學(xué)閱覽室、報刊雜志閱覽室。這幾個閱覽室內(nèi)的書架又分為：自然科學(xué)閱覽室：數(shù)學(xué)、物理、化學(xué)…人文科學(xué)閱覽室：哲學(xué)、詩歌、小說…每個書架又會詳細劃分，比如數(shù)學(xué)有：高等數(shù)學(xué)、基礎(chǔ)數(shù)學(xué)等。搜索引擎的數(shù)據(jù)庫可以類比為一個超級圖書館，每個網(wǎng)站相當(dāng)于這個超級圖書館某閱覽室里的一個小書架。

Public @ 2019-06-10 16:12:09

robots.txt語法教程

用幾個最常見的情況，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SE收錄本站，例如禁止百度:User-agent: BaiduspiderDisallow: /4. 禁止所有SE收錄

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

robots.txt文件的格式

robots文件往往放置于根目錄下，包含一條或更多的記錄，這些記錄通過空行分開（以CR,CR/NL, or NL作為結(jié)束符），每一條記錄的格式如下所示："<field>:<optional space><value><optionalspace>"在該文件中可以使用#進行注解，具體使用方法和UNIX中的慣例一樣。該文件中的記錄通常

Public @ 2012-09-17 16:08:56

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[ DB ] CONNECT:[ UseTime:0.025215s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017916s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.017029s ]
[ 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:0.017810s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016869s ]
[ 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:0.018076s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8837 LIMIT 1 [ RunTime:0.017121s ]
[ 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:0.017390s ]
[ 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:0.017413s ]
[ 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:0.017648s ]
[ 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` = 8837 LIMIT 1 [ RunTime:0.017008s ]
[ 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=8837 [ RunTime:0.020182s ]
[ 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:0.024537s ]
[ 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:0.038629s ]
[ 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:0.024039s ]
[ 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:0.034411s ]
[ 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', ) ]

0.560902s