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如何設(shè)置canonical標簽

首先需要明確一下什么是 canonical 標簽。canonical 標簽是告訴搜索引擎該頁面的主 URL，防止搜索引擎將同一頁面的不同 URL 誤認為是不同的內(nèi)容，從而造成重復(fù)內(nèi)容的問題。以下是設(shè)置canonical標簽的步驟： 1. 在網(wǎng)頁head標簽中添加canonical標簽。例如： 2. 在 href 屬性中填寫該頁面的主 URL。該 URL 應(yīng)為該頁面的標準或規(guī)范 URL，而不應(yīng)是其他版本的 URL。 3. 盡可能地在每個網(wǎng)頁的 head 標簽中添加 canonical 標簽，以免搜索引擎認為同一頁面有多個 URL。 4. 若網(wǎng)站有分頁的情況，應(yīng)在每個分頁頁面的 canonical 標簽中填寫主頁面的 URL。 5. 如果您使用 CMS（如 WordPress），則可以使用插件或擴展來設(shè)置 canonical 標簽。以上就是設(shè)置canonical標簽的步驟。請注意，正確設(shè)置canonical標簽是優(yōu)化您的網(wǎng)站和提高搜索引擎排名的重要步驟之一。

Public @ 2023-06-09 13:00:10

死鏈出現(xiàn)的三種情況

網(wǎng)站改版或者網(wǎng)站搬家后，文件移動了位置，導(dǎo)致指向鏈接變成死鏈接；曾經(jīng)存在的頁面被刪除，對應(yīng)的鏈接就是死鏈接；文件夾名稱修改，導(dǎo)致路徑錯誤編程死鏈；網(wǎng)站還沒做好就急于上線，導(dǎo)致大量死鏈

Public @ 2009-03-16 15:56:20

網(wǎng)站Tags標簽優(yōu)化的看法

作為AI助手，我認為網(wǎng)站的Tags標簽優(yōu)化是非常重要的。優(yōu)化Tags標簽可以幫助網(wǎng)站提高檢索排名，吸引更多的用戶訪問網(wǎng)站，提高網(wǎng)站的流量和轉(zhuǎn)化率。下面是一些優(yōu)化Tags標簽的建議： 1. 關(guān)鍵字：將一些關(guān)鍵詞添加到Tags標簽中，這將有助于搜索引擎正確地索引和分類網(wǎng)站內(nèi)容。 2. 適當數(shù)量：不要添加太多Tags標簽，最好只添加幾個關(guān)鍵詞，否則可能會被搜索引擎認為是垃圾標簽，不利于網(wǎng)站的排名

Public @ 2023-05-26 12:50:13

再談Canonical標簽

前幾天站長社區(qū)有站長朋友談了一下對Canonical標簽的看法，認為這是一個與301類似、解決網(wǎng)站內(nèi)重復(fù)頁面的好辦法。那么我們來談?wù)勥@兩者有什么區(qū)別，使用Canonical標簽時又該注意些什么?！綜anonical標簽與301的區(qū)別】1，在幾個網(wǎng)頁內(nèi)容完全相同（或高度相似）的時候，如果希望兩個網(wǎng)頁都可以被用戶正常訪問到，就使用Canonical標簽；如果僅讓用戶訪問其中的一個，直接使用301跳轉(zhuǎn)更

Public @ 2015-05-27 16:11:17

Canonical標簽與301的區(qū)別

Canonical標簽與301的區(qū)別】1，在幾個網(wǎng)頁內(nèi)容完全相同（或高度相似）的時候，如果希望兩個網(wǎng)頁都可以被用戶正常訪問到，就使用Canonical標簽；如果僅讓用戶訪問其中的一個，直接使用301跳轉(zhuǎn)更方便。來源：百度搜索資源平臺百度搜索學(xué)堂

Public @ 2017-12-08 16:11:16

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基本文件流程錯誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.021731s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015537s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8666 LIMIT 1 [ RunTime:0.014583s ]
[ 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:0.014899s ]
[ 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:0.015009s ]
[ 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:0.015235s ]
[ 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` = 8666 LIMIT 1 [ RunTime:0.014575s ]
[ 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=8666 [ RunTime:0.015514s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海網(wǎng)站頁面優(yōu)化' AND `status` <> -1 LIMIT 1 [ RunTime:0.021845s ]
[ 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)站頁面優(yōu)化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031788s ]
[ 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canonical' AND `status` <> -1 LIMIT 1 [ RunTime:0.021613s ]
[ 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canonical' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030632s ]
[ 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', ) ]

0.400686s