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通過Canonical標(biāo)簽解決重復(fù)內(nèi)容收錄

Canonical標(biāo)簽是指在網(wǎng)頁的HTML代碼中添加一個(gè)鏈接指向該頁面的主要版本，當(dāng)頁面有多個(gè)URL時(shí)，通過Canonical標(biāo)簽告訴搜索引擎哪個(gè)是主要版本，從而避免重復(fù)內(nèi)容被收錄。例如，在網(wǎng)站中有一篇文章，URL分別是： http://www.example.com/article http://www.example.com/articles/123 http://www.example.com/articles/123/this-is-a-title 這三個(gè)URL都指向同一篇文章，但是搜索引擎會認(rèn)為這是三個(gè)獨(dú)立的頁面，如果不采用Canonical標(biāo)簽，搜索引擎會將這三個(gè)URL都收錄，導(dǎo)致重復(fù)內(nèi)容問題。通過在HTML代碼中添加一個(gè)指向主要版本的Canonical鏈接，搜索引擎會優(yōu)先收錄主要版本，從而避免了重復(fù)內(nèi)容的問題。 Canonical標(biāo)簽的語法格式為：其中，href屬性指向主要版本的URL。在一般情況下，Canonical標(biāo)簽應(yīng)該放在網(wǎng)頁的頭部，即head標(biāo)簽中。

Public @ 2023-06-05 19:00:10

什么是動態(tài)的URL和靜態(tài)的URL？網(wǎng)站做靜態(tài)的URL的好處

什么是動態(tài)的URL和靜態(tài)的URL？動態(tài)的URL形式：http://baike.baidu.com/notexists?word=%B6%AF%CC%ACURLhttp://www.seowhy.com/index.php?3_77_zhhttps://www.seowhy.com/"https://www.seowhy.com/a/37.html" target="_

Public @ 2013-07-09 16:11:06

301重定向在網(wǎng)站排名優(yōu)化中的應(yīng)用

301重定向可以用來優(yōu)化網(wǎng)站排名，優(yōu)化網(wǎng)站排名時(shí)，其中有個(gè)重要環(huán)節(jié)就是合理管理網(wǎng)站URL，即配置301重定向。此外，還可以充分利用301重定向來做到以下幾點(diǎn)： 1. 降低多余的網(wǎng)頁：很多網(wǎng)站存在大量的多余頁面，這些頁面可以利用301重定向來減少用戶等待時(shí)間； 2. 減少“不受歡迎”的網(wǎng)頁：301重定向可以讓搜索引擎及用戶跳過不太正確的頁面，縮短搜索的步驟； 3. 降低“404”錯(cuò)誤：

Public @ 2023-02-28 19:48:29

能否利用canonical標(biāo)簽陷害競爭對手？

不能。Canonical標(biāo)簽的作用是幫助搜索引擎正確識別源代碼當(dāng)中只有部分網(wǎng)頁上相同內(nèi)容的頁面，它不能用于欺詐或破壞搜索引擎算法。Canonical標(biāo)簽可以幫助提高搜索排名，但它不能損害競爭對手或陷害競爭對手。

Public @ 2023-02-25 19:24:11

如何設(shè)置canonical標(biāo)簽

要設(shè)置canonical標(biāo)簽，您需要在網(wǎng)頁的標(biāo)簽中添加以下代碼： ``` ``` 將“http://example.com/yourpage.html”替換為您要設(shè)置為標(biāo)準(zhǔn)URL的頁面的URL。您可以通過以下幾個(gè)步驟檢查您的canonical標(biāo)簽是否正確設(shè)置： 1. 打開您要檢查的網(wǎng)頁。 2. 按下鍵盤上的Ctrl + U，以查看頁面源代碼。 3. 在源代碼中搜索“canonical”

Public @ 2023-04-11 05:50:13

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.022426s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.016135s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.015232s ]
[ 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:0.016209s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.015176s ]
[ 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:0.016290s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8487 LIMIT 1 [ RunTime:0.015213s ]
[ 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:0.015524s ]
[ 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:0.015818s ]
[ 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:0.016359s ]
[ 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` = 8487 LIMIT 1 [ RunTime:0.015154s ]
[ 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=8487 [ RunTime:0.015888s ]
[ 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:0.022250s ]
[ 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:0.034432s ]
[ 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canonical' AND `status` <> -1 LIMIT 1 [ RunTime:0.022344s ]
[ 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canonical' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030688s ]
[ 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', ) ]

0.527312s

Categories

Tags

通過Canonical標(biāo)簽解決重復(fù)內(nèi)容收錄

什么是動態(tài)的URL和靜態(tài)的URL？網(wǎng)站做靜態(tài)的URL的好處

301重定向在網(wǎng)站排名優(yōu)化中的應(yīng)用

能否利用canonical標(biāo)簽陷害競爭對手？

如何設(shè)置canonical標(biāo)簽

更多您感興趣的搜索

Categories

Tags

通過Canonical標(biāo)簽解決重復(fù)內(nèi)容收錄

什么是動態(tài)的URL和靜態(tài)的URL？網(wǎng)站做靜態(tài)的URL的好處

301重定向在網(wǎng)站排名優(yōu)化中的應(yīng)用

能否利用canonical標(biāo)簽陷害競爭對手？

如何設(shè)置canonical標(biāo)簽

更多您感興趣的搜索

能否利用canonical標(biāo)簽陷害競爭對手？