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如何設(shè)置canonical標(biāo)簽

canonical標(biāo)簽跟301轉(zhuǎn)向的性質(zhì)差不多，區(qū)別在于用戶不會(huì)被轉(zhuǎn)向，還是停留在原本的頁面上，但搜索引擎會(huì)把它當(dāng)做301轉(zhuǎn)向處理，把頁面的權(quán)重集中到標(biāo)簽中所指的規(guī)范網(wǎng)頁上。

canonical標(biāo)簽如何設(shè)置

1、在HTML代碼的head里添加rel="canonical",不能添加多個(gè)，否則搜索引擎會(huì)認(rèn)為是無效的canonical標(biāo)簽。

2、注意href里的地址不能是死鏈，錯(cuò)誤頁或者被robots封禁的頁面。例如：<link rel="canonical" href="http://example.test.com/recipe41644.html">

來源：搜外網(wǎng)

Public @ 2022-08-30 16:11:20

怎樣優(yōu)化標(biāo)題標(biāo)簽Title Tag？

以下是優(yōu)化標(biāo)題標(biāo)簽Title Tag的幾個(gè)步驟： 1. 關(guān)注主題關(guān)鍵詞：優(yōu)化標(biāo)題標(biāo)簽必須關(guān)注主題關(guān)鍵詞，這樣搜索引擎才能更好地理解網(wǎng)頁內(nèi)容，并將其列入相關(guān)搜索結(jié)果中。 2. 關(guān)注標(biāo)題長度：標(biāo)題標(biāo)簽長度應(yīng)控制在60個(gè)字符以內(nèi)，這樣可以確保完整標(biāo)題顯示在搜索引擎結(jié)果中，同時(shí)也符合搜索引擎的規(guī)范。 3. 使用描述性詞匯：使用描述性詞匯來描述網(wǎng)頁的內(nèi)容，這樣搜索引擎可以更好地理解網(wǎng)頁的主題和內(nèi)容。

Public @ 2023-06-18 18:00:17

什么是死鏈

所謂死鏈指的是一種網(wǎng)絡(luò)鏈接或鏈接到URL，但它不能正確載入頁面或響應(yīng)該URL，即無法找到對(duì)應(yīng)的服務(wù)器。這指的是一個(gè)在網(wǎng)頁上提供的服務(wù)或另一種連接，但它無法正確指向一個(gè)可用的 Web 服務(wù)器來載入所要求的文件。它可以是因?yàn)?URL 拼寫錯(cuò)誤、舊的 URL 地址以及域名過期或者文件已經(jīng)被刪除或移動(dòng)等原因。

Public @ 2023-03-02 03:00:12

canonical標(biāo)簽是什么意思

a：網(wǎng)頁的<Canonical>是告訴搜索引擎在若干的內(nèi)容相同，URL不同的頁面中那個(gè)最規(guī)范，最希望被收錄的，避免相同內(nèi)鏈的網(wǎng)頁通過不同URL帶來權(quán)重分散的問題，從而達(dá)到頁面權(quán)重集中的目的。

Public @ 2011-07-22 16:11:20

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.examp

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

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.021099s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015292s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4551 LIMIT 1 [ RunTime:0.014522s ]
[ 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:0.014529s ]
[ 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:0.014632s ]
[ 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:0.015719s ]
[ 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` = 4551 LIMIT 1 [ RunTime:0.014289s ]
[ 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=4551 [ RunTime:0.015014s ]
[ 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:0.020841s ]
[ 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:0.031868s ]
[ 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:0.022415s ]
[ 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:0.031965s ]
[ 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', ) ]

0.392752s