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nofollow標(biāo)簽的作用有重大變化

自nofollow標(biāo)簽于2005年推出以來，其作用一直是指示搜索引擎不要追蹤鏈接。這項(xiàng)功能主要用于避免垃圾郵件和鏈接操縱，因?yàn)槟承┱军c(diǎn)會(huì)通過在其他站點(diǎn)上發(fā)布大量鏈接來提高其搜索引擎排名。nofollow標(biāo)簽的作用是告訴搜索引擎不要將鏈接計(jì)入其評(píng)估算法。然而，隨著SEO和數(shù)字營銷的發(fā)展，nofollow標(biāo)簽的作用已經(jīng)發(fā)生了重大變化?，F(xiàn)在，nofollow標(biāo)簽不僅能夠阻止鏈接被計(jì)入搜索引擎的排名算法，還能夠影響搜索引擎對(duì)鏈接目標(biāo)頁面的評(píng)估。Google于2019年對(duì)nofollow標(biāo)簽進(jìn)行了更新，引入了三種變體： 1. rel="sponsored"：用于贊助的鏈接 2. rel="ugc"：用于用戶生成內(nèi)容的鏈接 3. rel="nofollow"：用于舊有的nofollow標(biāo)簽這些變化的結(jié)果是，nofollow標(biāo)簽不再是簡單地告訴搜索引擎不要追蹤鏈接，而是提供更具體的信息。這使得數(shù)字營銷專業(yè)人員可以更好地控制其鏈接策略，從而在SEO和其他數(shù)字營銷活動(dòng)中獲得更好的效果。

Public @ 2023-06-27 14:00:46

死鏈介紹及設(shè)置方法

一、死鏈介紹什么是死鏈幾乎所有的智能小程序或站點(diǎn)都會(huì)遇到內(nèi)容失效、過期，頁面不需要再展現(xiàn)的情況，這些無法對(duì)用戶提供任何有價(jià)值信息的頁面就是死鏈接，它包括協(xié)議死鏈和內(nèi)容死鏈兩種形式。為什么要及時(shí)處理死鏈？當(dāng)站點(diǎn)/小程序死鏈數(shù)據(jù)累積過多并且被展示到搜索結(jié)果頁時(shí)，會(huì)影響百度搜索對(duì)站點(diǎn)/小程序的評(píng)價(jià)，對(duì)站點(diǎn)/小程序的訪問體驗(yàn)和用戶轉(zhuǎn)化都會(huì)起到負(fù)面影響。另一方面，百度檢查死鏈的流程也會(huì)為站點(diǎn)/小程序帶來額外

Public @ 2010-07-18 15:56:15

nofollow標(biāo)簽的作用有重大變化

nofollow標(biāo)簽最初是由Google引入的，旨在告訴搜索引擎跟蹤鏈接的方式。它的作用是讓網(wǎng)站管理員控制搜索引擎是否跟蹤某個(gè)鏈接并傳遞權(quán)重。也就是說，如果一個(gè)頁面包含了nofollow標(biāo)簽，搜索引擎就不會(huì)將該頁面與被鏈接的頁面相關(guān)聯(lián)，也不會(huì)將該頁面作為鏈接目標(biāo)的一部分考慮。這樣可以避免一些不必要的鏈接傳遞權(quán)重，同時(shí)可以防止人工操縱搜索引擎排名。然而，隨著時(shí)間的推移，nofollow標(biāo)簽的作用

Public @ 2023-06-05 14:00:19

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

nofollow標(biāo)簽的作用有重大變化

幾個(gè)小時(shí)前，Google官方博客發(fā)了個(gè)帖子：Evolving “nofollow” – new ways to identify the nature of links （演變中的nofollow – 判斷鏈接性質(zhì)的新方法），公布從今天開始，nofollow標(biāo)簽的作用和Google處理nofollow的方法有了重大變化。nofollow標(biāo)簽的歷史經(jīng)典的nofollow標(biāo)簽作用和使用方法以前的帖子寫

Public @ 2020-07-01 16:08:47

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[ DB ] CONNECT:[ UseTime:0.024841s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018020s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9501 LIMIT 1 [ RunTime:0.016853s ]
[ 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:0.017113s ]
[ 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:0.017186s ]
[ 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:0.017219s ]
[ 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` = 9501 LIMIT 1 [ RunTime:0.016687s ]
[ 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=9501 [ RunTime:0.017672s ]
[ 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:0.024386s ]
[ 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:0.037143s ]
[ 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nofollow' AND `status` <> -1 LIMIT 1 [ RunTime:0.023782s ]
[ 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nofollow' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033788s ]
[ 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', ) ]

0.446417s

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nofollow標(biāo)簽的作用有重大變化

死鏈介紹及設(shè)置方法

nofollow標(biāo)簽的作用有重大變化

Nofollow

nofollow標(biāo)簽的作用有重大變化

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