{"id":1680,"date":"2017-12-27T19:07:52","date_gmt":"2017-12-27T17:07:52","guid":{"rendered":"https:\/\/www.h-hennes.fr\/blog\/?p=1680"},"modified":"2017-12-27T19:07:52","modified_gmt":"2017-12-27T17:07:52","slug":"magento-2-ajouter-des-balises-canonical-sur-les-pages-cms","status":"publish","type":"post","link":"https:\/\/www.h-hennes.fr\/blog\/2017\/12\/27\/magento-2-ajouter-des-balises-canonical-sur-les-pages-cms\/","title":{"rendered":"Magento 2 : Ajouter des balises canonical sur les pages cms"},"content":{"rendered":"

Par d\u00e9faut avec Magento ( c’\u00e9tait d\u00e9j\u00e0 le cas pour magento 1 et \u00e7a l’est toujours pour Magento 2 ), les pages CMS sont accessibles via plusieurs urls<\/p>\n

Ex : http:\/\/www.magento2.dev\/privacy-policy-cookie-restriction-mode\/ et http:\/\/www.magento2.dev\/privacy-policy-cookie-restriction-mode<\/p>\n

La seule diff\u00e9rence \u00e9tant la pr\u00e9sence du \u00ab\u00a0\/\u00a0\u00bb en fin de ligne.<\/p>\n

Pour les moteurs de recherche le contenu est donc pr\u00e9sent sur 2 pages diff\u00e9rentes ce qui cr\u00e9\u00e9 du duplicate content.
\nLa solution pour corriger cette probl\u00e9matique est d’ajouter une balise \u00ab\u00a0canonical\u00a0\u00bb qui permettra de dire laquelle des urls on souhaite indexer.
\nDe mon c\u00f4t\u00e9 je part du postulat que c’est l’url avec un \u00ab\u00a0\/\u00a0\u00bb \u00e0 la fin.<\/p>\n

Pour cela nous allons faire un module Hhennes_CMS avec l’arborescence suivante :<\/p>\n

\"Magento<\/p>\n

Voici les contenus des fichiers de d\u00e9claration du module<\/p>\n

etc\/module.xml<\/p>\n

<config xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n        xsi:noNamespaceSchemaLocation=\"urn:magento:framework:Module\/etc\/module.xsd\">\r\n    <module name=\"Hhennes_Cms\" setup_version=\"0.1.1\">\r\n        <sequence>\r\n            <module name=\"Mage_Cms\"\/>\r\n        <\/sequence>\r\n    <\/module>\r\n<\/config><\/pre>\n
registration.php<\/p>\n
<?php\r\n\\Magento\\Framework\\Component\\ComponentRegistrar::register(\r\n    \\Magento\\Framework\\Component\\ComponentRegistrar::MODULE,\r\n    'Hhennes_Cms',\r\n    __DIR__\r\n);<\/pre>\n
La logique du module est ensuite d’ajouter un nouveau bloc qui va ajouter cette balise sur l’ensemble des pages cms.
\nPour cela nous allons cr\u00e9er le fichier view\/frontend\/layout\/cms_page_view.xml avec le contenu suivant :<\/p>\n
<?xml version=\"1.0\"?>\r\n<page xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"urn:magento:framework:View\/Layout\/etc\/page_configuration.xsd\">\r\n    <body>\r\n        <referenceContainer name=\"head.additional\">\r\n            <block class=\"Hhennes\\Cms\\Block\\Page\\Canonical\" name=\"cms_page.canonical\"\/>\r\n        <\/referenceContainer>\r\n    <\/body>\r\n<\/page><\/pre>\n
Ne reste plus qu’a configurer le code du bloc dans Block\/Page\/Canonical.php<\/p>\n
<?php\r\n\r\nnamespace Hhennes\\Cms\\Block\\Page;\r\n\r\nuse \\Magento\\Framework\\View\\Element\\AbstractBlock;\r\n\r\nclass Canonical extends AbstractBlock {\r\n\r\n    \/** @var \\Magento\\Cms\\Model\\Page  *\/\r\n    protected $_page;\r\n\r\n    \/**\r\n     * Canonical constructor.\r\n     * @param Context $context\r\n     * @param array $data\r\n     * @param \\Magento\\Cms\\Model\\Page $page\r\n     *\/\r\n    public function __construct(\r\n        \\Magento\\Framework\\View\\Element\\Context $context,\r\n        array $data = [],\r\n        \\Magento\\Cms\\Model\\Page $page\r\n    )\r\n    {\r\n        $this->_page = $page;\r\n        parent::__construct($context, $data);\r\n    }\r\n\r\n    \/**\r\n     * @return \\Magento\\Cms\\Model\\Page\r\n     *\/\r\n    public function getPage()\r\n    {\r\n        return $this->_page;\r\n    }\r\n\r\n    \/**\r\n     * Get Canonical Page Url ( with trailing \/ )\r\n     *\/\r\n    public function getCanonicalPageUrl()\r\n    {\r\n        if ($this->getPage()) {\r\n            return $this->getUrl($this->getPage()->getIdentifier());\r\n        } else {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    \/**\r\n     * Display block\r\n     * @return string\r\n     *\/\r\n    public function _toHtml()\r\n    {\r\n        if ( $this->getCanonicalPageUrl() ) {\r\n            return \"\\n\".'<link rel=\"canonical\" href=\"'.$this->getCanonicalPageUrl().'\"\/>'.\"\\n\";\r\n        }\r\n\r\n        return '';\r\n    }\r\n\r\n}<\/pre>\n
Si vous souhaitez indexer l’url sans le slash, il vous suffit de remplacer la ligne<\/p>\n
return $this->getUrl($this->getPage()->getIdentifier());<\/pre>\n
par<\/p>\n
return $this->getUrl('').$this->getPage()->getIdentifier();<\/pre>\n
Une fois le module install\u00e9, la balise canonical est bien pr\u00e9sente \ud83d\ude42<\/p>\n
\"Magento<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
Par d\u00e9faut avec Magento ( c’\u00e9tait d\u00e9j\u00e0 le cas pour magento 1 et \u00e7a l’est toujours pour Magento 2 ), les pages CMS sont accessibles via plusieurs urls Ex : http:\/\/www.magento2.dev\/privacy-policy-cookie-restriction-mode\/ et http:\/\/www.magento2.dev\/privacy-policy-cookie-restriction-mode La seule diff\u00e9rence \u00e9tant la pr\u00e9sence du \u00ab\u00a0\/\u00a0\u00bb en fin de ligne. Pour les moteurs de recherche le contenu est donc pr\u00e9sent […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[246],"tags":[511,110,482],"class_list":["post-1680","post","type-post","status-publish","format-standard","hentry","category-magento-2","tag-canonical","tag-cms","tag-magento-2"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/posts\/1680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/comments?post=1680"}],"version-history":[{"count":2,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/posts\/1680\/revisions"}],"predecessor-version":[{"id":1684,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/posts\/1680\/revisions\/1684"}],"wp:attachment":[{"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/media?parent=1680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/categories?post=1680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.h-hennes.fr\/blog\/wp-json\/wp\/v2\/tags?post=1680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}