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nofollow標(biāo)簽的作用有重大變化

nofollow標(biāo)簽的作用主要是告訴搜索引擎不要跟進(jìn)某個(gè)鏈接。最初，它的主要目的是阻止鏈接操縱，這是一種非法的搜索引擎優(yōu)化技術(shù)，通過在許多網(wǎng)站中添加低質(zhì)量或垃圾鏈接來(lái)提高目標(biāo)網(wǎng)站的排名。但是，隨著時(shí)間的推移，nofollow標(biāo)簽已經(jīng)被廣泛應(yīng)用于其他目的，例如： 1. 防止廣告鏈接濫用：使用nofollow標(biāo)簽告訴搜索引擎某個(gè)鏈接是廣告鏈接，這有助于避免被視為違反搜索引擎的廣告政策。 2. 控制網(wǎng)站內(nèi)部鏈接權(quán)重：使用nofollow標(biāo)簽控制網(wǎng)站內(nèi)部鏈接權(quán)重，以便幫助搜索引擎準(zhǔn)確地了解網(wǎng)站內(nèi)部頁(yè)面之間的關(guān)系。 3. 防止不信任網(wǎng)站鏈接：使用nofollow標(biāo)簽防止鏈接到不可信的網(wǎng)站，以確保自己的網(wǎng)站免受搜索引擎的懲罰。總之，nofollow標(biāo)簽的作用已經(jīng)從單一的鏈接操縱防范逐漸擴(kuò)展到更多方面的優(yōu)化和保護(hù)措施。

Public @ 2023-06-20 15:50:19

內(nèi)部鏈接（站內(nèi)鏈接）的優(yōu)化

內(nèi)部鏈接（站內(nèi)鏈接）的優(yōu)化指的是在網(wǎng)站內(nèi)部頁(yè)面之間加入鏈接，以便提升網(wǎng)頁(yè)的流量和搜索引擎排名。以下是內(nèi)部鏈接優(yōu)化的幾個(gè)方法： 1. 添加相關(guān)內(nèi)部鏈接：在每個(gè)頁(yè)面中添加與此頁(yè)面相關(guān)的內(nèi)部鏈接，使讀者更容易流轉(zhuǎn)到其他相關(guān)的頁(yè)面，也有利于搜索引擎對(duì)網(wǎng)站內(nèi)容進(jìn)行分類分析。 2. 在導(dǎo)航欄添加鏈接：在網(wǎng)站頂部的導(dǎo)航欄上添加內(nèi)部鏈接，以便訪問者可以快速找到網(wǎng)站的相關(guān)內(nèi)容。 3. 使用關(guān)鍵詞進(jìn)行鏈接：使用

Public @ 2023-06-18 00:00:28

使用nofollw的意義，nofollw標(biāo)簽的兩種具體用法

使用nofollw的意義nofollow 是一個(gè)HTML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(yè)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)過作者自己編輯的，所以這個(gè)鏈接不是一個(gè)信任票。簡(jiǎn)單的說(shuō)就是，如果A網(wǎng)頁(yè)上有一個(gè)鏈接指向B網(wǎng)頁(yè)，但A網(wǎng)頁(yè)給這個(gè)鏈接加上了 rel="nofollow&

Public @ 2021-01-20 16:08:49

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nofollow標(biāo)簽(準(zhǔn)確說(shuō)是屬性，不過約定俗成，還

Public @ 2019-04-24 16:08:48

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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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.030461s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.021583s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.020572s ]
[ 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:0.021221s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.020334s ]
[ 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:0.021438s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9178 LIMIT 1 [ RunTime:0.020470s ]
[ 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:0.022578s ]
[ 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:0.020843s ]
[ 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:0.021273s ]
[ 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` = 9178 LIMIT 1 [ RunTime:0.020544s ]
[ 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=9178 [ RunTime:0.023089s ]
[ 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:0.027887s ]
[ 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:0.046057s ]
[ 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nofollow' AND `status` <> -1 LIMIT 1 [ RunTime:0.029499s ]
[ 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nofollow' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.051188s ]
[ 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', ) ]

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nofollow標(biāo)簽的作用有重大變化

內(nèi)部鏈接（站內(nèi)鏈接）的優(yōu)化

使用nofollw的意義，nofollw標(biāo)簽的兩種具體用法

nofollow標(biāo)簽的作用有重大變化

nofollow標(biāo)簽的作用有重大變化

更多您感興趣的搜索

Categories

Tags

nofollow標(biāo)簽的作用有重大變化

內(nèi)部鏈接（站內(nèi)鏈接）的優(yōu)化

使用nofollw的意義，nofollw標(biāo)簽的兩種具體用法

nofollow標(biāo)簽的作用有重大變化

nofollow標(biāo)簽的作用有重大變化

更多您感興趣的搜索

使用nofollw的意義，nofollw標(biāo)簽的兩種具體用法