{"id":109,"date":"2026-07-16T09:00:00","date_gmt":"2026-07-16T09:00:00","guid":{"rendered":"https:\/\/team-web-hosting.example\/?p=109"},"modified":"2026-07-16T09:00:00","modified_gmt":"2026-07-16T09:00:00","slug":"ssl-https-confiance-par-defaut","status":"publish","type":"post","link":"https:\/\/webhostingproduct.ovh\/?p=109","title":{"rendered":"Certificats SSL et HTTPS : la confiance par d\u00e9faut"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/MEDIA_BASE_URL\/ssl-https-confiance-par-defaut.png\" alt=\"Illustration \u2014 Certificats SSL et HTTPS : la confiance par d\u00e9faut\"\/><\/figure>\n\n<p>Le cadenas dans la barre d&rsquo;adresse est devenu un standard. Derri\u00e8re lui se cache le HTTPS, qui chiffre les \u00e9changes entre le navigateur et le serveur. Aujourd&rsquo;hui, un site sans HTTPS est signal\u00e9 comme \u00ab non s\u00e9curis\u00e9 \u00bb et p\u00e9nalis\u00e9 \u2014 techniquement comme en confiance.<\/p>\n\n<h2>\u00c0 quoi sert le HTTPS ?<\/h2>\n<p>Le HTTPS repose sur un certificat SSL\/TLS qui remplit deux fonctions :<\/p>\n<ul>\n<li><strong>Chiffrer<\/strong> les donn\u00e9es \u00e9chang\u00e9es, pour qu&rsquo;un tiers ne puisse pas les intercepter en clair \u2014 mots de passe, coordonn\u00e9es bancaires, formulaires.<\/li>\n<li><strong>Authentifier<\/strong> le serveur, pour garantir au visiteur qu&rsquo;il communique bien avec votre site et non avec un imposteur.<\/li>\n<\/ul>\n\n<h2>Les types de certificats<\/h2>\n<p>Trois niveaux de validation existent :<\/p>\n<ul>\n<li><strong>DV (Domain Validation)<\/strong> : v\u00e9rifie la propri\u00e9t\u00e9 du domaine. Rapide, gratuit ou peu co\u00fbteux, adapt\u00e9 \u00e0 la majorit\u00e9 des sites.<\/li>\n<li><strong>OV (Organization Validation)<\/strong> : v\u00e9rifie aussi l&rsquo;existence de l&rsquo;organisation. Pertinent pour les sites institutionnels ou commerciaux.<\/li>\n<li><strong>EV (Extended Validation)<\/strong> : contr\u00f4le renforc\u00e9, historiquement associ\u00e9 \u00e0 un affichage distinctif. R\u00e9serv\u00e9 aux acteurs \u00e0 forte exigence de confiance.<\/li>\n<\/ul>\n\n<h2>HTTPS et r\u00e9f\u00e9rencement<\/h2>\n<p>Les moteurs de recherche favorisent les sites en HTTPS. Au-del\u00e0 du l\u00e9ger bonus de classement, l&rsquo;absence de HTTPS d\u00e9clenche des avertissements de s\u00e9curit\u00e9 dans le navigateur qui font fuir les visiteurs. L&rsquo;impact sur la conversion est direct.<\/p>\n\n<h2>Mettre en place le HTTPS<\/h2>\n<p>La bascule implique d&rsquo;installer le certificat, de forcer la redirection de HTTP vers HTTPS, et de corriger les \u00e9ventuels contenus \u00ab mixtes \u00bb (ressources encore charg\u00e9es en HTTP). Une fois en place, le certificat doit \u00eatre renouvel\u00e9 r\u00e9guli\u00e8rement \u2014 un point que l&rsquo;automatisation g\u00e8re d\u00e9sormais sans intervention.<\/p>\n<p>La plupart des h\u00e9bergements modernes, dont ceux d&rsquo;OVHcloud, int\u00e8grent des certificats SSL et automatisent leur renouvellement. Le HTTPS devient ainsi une propri\u00e9t\u00e9 par d\u00e9faut du site, et non une t\u00e2che r\u00e9currente \u00e0 ne pas oublier.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le HTTPS chiffre les \u00e9changes, prot\u00e8ge vos visiteurs et am\u00e9liore votre r\u00e9f\u00e9rencement. Comprendre les certificats SSL et pourquoi ils sont incontournables.<\/p>\n","protected":false},"author":1,"featured_media":1109,"comment_status":"open","ping_status":"open","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":"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":"","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-4)","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-4)","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-4)","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":[2],"tags":[],"class_list":["post-109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hebergement-wordpress"],"_links":{"self":[{"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=\/wp\/v2\/posts\/109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=109"}],"version-history":[{"count":0,"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=\/wp\/v2\/posts\/109\/revisions"}],"wp:attachment":[{"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhostingproduct.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}