{"id":439,"date":"2025-10-21T15:40:00","date_gmt":"2025-10-21T13:40:00","guid":{"rendered":"https:\/\/blog.pitchweb-creation.fr\/?p=439"},"modified":"2026-08-12T18:34:11","modified_gmt":"2026-08-12T16:34:11","slug":"quest-ce-que-la-migration-dun-site-web","status":"publish","type":"post","link":"https:\/\/blog.pitchweb-creation.fr\/index.php\/2025\/10\/21\/quest-ce-que-la-migration-dun-site-web\/","title":{"rendered":"Qu\u2019est-ce que la migration d&rsquo;un site web\u00a0?"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u00c7a d\u00e9m\u00e9nage !<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qu\u2019est-ce que la migration d&rsquo;un site web ? C&rsquo;est le d\u00e9placement de ses fichiers et dossiers d\u2019un h\u00e9bergement \u00e0 un autre. <strong>Comme pour un d\u00e9m\u00e9nagement<\/strong><\/strong>,<strong> tout son contenu est transf\u00e9r\u00e9 \u00e0 une autre adresse, ou \u00e0 un autre de lieu de stockage.<\/strong><\/p>\n\n\n<style>.kb-image439_118b84-2c .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image439_118b84-2c size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"685\" src=\"https:\/\/blog.pitchweb-creation.fr\/wp-content\/uploads\/2026\/03\/005_migration-1024x685.png\" alt=\"Qu\u2019est-ce qu\u2019une migration de site ?\" class=\"kb-img wp-image-440\" srcset=\"https:\/\/blog.pitchweb-creation.fr\/wp-content\/uploads\/2026\/03\/005_migration-1024x685.png 1024w, https:\/\/blog.pitchweb-creation.fr\/wp-content\/uploads\/2026\/03\/005_migration-300x201.png 300w, https:\/\/blog.pitchweb-creation.fr\/wp-content\/uploads\/2026\/03\/005_migration-768x514.png 768w, https:\/\/blog.pitchweb-creation.fr\/wp-content\/uploads\/2026\/03\/005_migration.png 1470w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"border-bottom-width:1px\">Quand faire une migration ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-bottom:var(--wp--preset--spacing--30);padding-bottom:0\">Voici quelques cas de figures qui n\u00e9cessitent une migration :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Un changement d\u2019h\u00e9bergeur<\/strong> : le site passe d\u2019un serveur \u00e0 un autre. Ex : OVH \u2192 o2switch ;<\/li>\n\n\n\n<li><strong>Le changement du nom de domaine<\/strong> : le site change d\u2019adresse. Ex : <em>monsite<\/em>.fr devient <em>monnouveausite<\/em>.fr ;<\/li>\n\n\n\n<li><strong>La refonte du site<\/strong> : on modifie la structure, le design ou la technologie. Ex : passer de Shopify \u00e0 WordPress ;<\/li>\n\n\n\n<li><strong>La migration vers HTTPS<\/strong> : le site devient plus s\u00e9curis\u00e9 : http:\/\/ \u2192 http<strong>s<\/strong>:\/\/.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"border-bottom-width:1px\">Comment \u00e7a se passe ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-bottom:var(--wp--preset--spacing--30);padding-bottom:0\">Lors d\u2019une migration classique, on effectue en priorit\u00e9 <strong>la sauvegarde<\/strong> de tous les fichiers (HTML, images, etc.) et de la base de donn\u00e9es. Afin de pouvoir tout restaurer en cas de dysfonctionnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-bottom:var(--wp--preset--spacing--30);padding-bottom:0\">Une fois le transfert vers le nouvel emplacement effectu\u00e9, il faut faire <strong>configuration du site<\/strong>. C&rsquo;est-\u00e0-dire ajuster tous les param\u00e8tres : base de donn\u00e9es, pointage du nom de domaine vers le nouvel h\u00e9bergeur, ajout de certificats SSL&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Puis, on <strong>r\u00e9alise des tests<\/strong> avant de le rendre public pour s&rsquo;assurer que tout fonctionne parfaitement : liens, images, formulaires, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enfin, on proc\u00e8de \u00e0 <strong>la mise en ligne<\/strong>. Pour cela, on met \u00e0 jour les DNS (c\u2019est ce qui indique \u00e0 Internet o\u00f9 trouver le site). Une fois propag\u00e9, le site est accessible \u00e0 tous les visiteurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bien entendu, on <strong>surveille le site apr\u00e8s la migration<\/strong>.  Il faut v\u00e9rifier le trafic, les erreurs et le r\u00e9f\u00e9rencement (SEO) pour s\u2019assurer que rien n\u2019a \u00e9t\u00e9 perdu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"border-bottom-width:1px\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En r\u00e9sum\u00e9, migrer un site s&rsquo;apparente \u00e0 d\u00e9m\u00e9nager sur un nouvel emplacement. Il faut tout pr\u00e9parer, s\u00e9curiser et emporter. Puis v\u00e9rifier que tout fonctionne parfaitement avant de communiquer la nouvelle adresse aux visiteurs. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cela demande donc <strong>une certaine organisation, et quelques notions techniques<\/strong>. Si vous ne vous sentez pas \u00e0 l&rsquo;aise pour vous en chargez, je me ferai un plaisir de m&rsquo;en occuper !<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\" style=\"margin-top:var(--wp--preset--spacing--50);margin-bottom:var(--wp--preset--spacing--50)\"\/>\n\n\n<style>.kadence-column439_e868ad-48 > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-xs, 1rem);}.kadence-column439_e868ad-48 > .kt-inside-inner-col{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kadence-column439_e868ad-48 > .kt-inside-inner-col,.kadence-column439_e868ad-48 > .kt-inside-inner-col:before{border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;}.kadence-column439_e868ad-48 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column439_e868ad-48 > .kt-inside-inner-col{flex-direction:column;}.kadence-column439_e868ad-48 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column439_e868ad-48 > .kt-inside-inner-col{background-color:var(--global-palette8, #F7FAFC);}.kadence-column439_e868ad-48 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column439_e868ad-48{position:relative;}@media all and (max-width: 1024px){.kadence-column439_e868ad-48 > .kt-inside-inner-col{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column439_e868ad-48 > .kt-inside-inner-col{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column439_e868ad-48\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad, .wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad[data-kb-block=\"kb-adv-heading439_587068-ad\"]{padding-bottom:var(--global-kb-spacing-xs, 1rem);text-align:center;font-weight:600;font-style:normal;color:#2c2b2b;}.wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad[data-kb-block=\"kb-adv-heading439_587068-ad\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_587068-ad[data-kb-block=\"kb-adv-heading439_587068-ad\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading439_587068-ad wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_587068-ad\">BONUS \u2713<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3, .wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3[data-kb-block=\"kb-adv-heading439_712812-d3\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3[data-kb-block=\"kb-adv-heading439_712812-d3\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_712812-d3[data-kb-block=\"kb-adv-heading439_712812-d3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading439_712812-d3 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_712812-d3\">\u25cb R\u00e9capitulatif des 6 \u00e9tapes<\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd, .wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd[data-kb-block=\"kb-adv-heading439_cf8e3e-fd\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd[data-kb-block=\"kb-adv-heading439_cf8e3e-fd\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_cf8e3e-fd[data-kb-block=\"kb-adv-heading439_cf8e3e-fd\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_cf8e3e-fd wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_cf8e3e-fd\"><strong>\u00c9tape 1 : pr\u00e9paration de la migration<\/strong><\/h4>\n\n\n\n<ul style=\"margin-bottom:var(--wp--preset--spacing--40)\" class=\"wp-block-list\">\n<li>Lister tout le contenu du site : pages, articles, images, vid\u00e9os, formulaires, etc.<\/li>\n\n\n\n<li>V\u00e9rifier les acc\u00e8s : acc\u00e8s \u00e0 l&rsquo;ancien h\u00e9bergeur, le nom de domaine et la base de donn\u00e9es.<\/li>\n\n\n\n<li>Choisir le nouvel h\u00e9bergeur, si changement d\u2019h\u00e9bergement.<\/li>\n\n\n\n<li>Installer la nouvelle plateforme, si changement de CMS (WordPress, Shopify, etc.)<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6, .wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6[data-kb-block=\"kb-adv-heading439_5c75d9-e6\"]{padding-left:var(--global-kb-spacing-xs, 1rem);margin-bottom:var(--global-kb-spacing-lg, 3rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6[data-kb-block=\"kb-adv-heading439_5c75d9-e6\"]{display:flex;gap:0.25em;align-items:center;}.wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6[data-kb-block=\"kb-adv-heading439_5c75d9-e6\"] .kb-adv-heading-icon svg{width:1em;height:1em;}.wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6[data-kb-block=\"kb-adv-heading439_5c75d9-e6\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_5c75d9-e6[data-kb-block=\"kb-adv-heading439_5c75d9-e6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><p class=\"kt-adv-heading439_5c75d9-e6 wp-block-kadence-advancedheading kt-adv-heading-has-icon\" data-kb-block=\"kb-adv-heading439_5c75d9-e6\"><span class=\"kb-svg-icon-wrap kb-adv-heading-icon kb-svg-icon-fas_lightbulb kb-adv-heading-icon-side-left\"><svg viewBox=\"0 0 384 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M272 428v28c0 10.449-6.68 19.334-16 22.629V488c0 13.255-10.745 24-24 24h-80c-13.255 0-24-10.745-24-24v-9.371c-9.32-3.295-16-12.18-16-22.629v-28c0-6.627 5.373-12 12-12h136c6.627 0 12 5.373 12 12zm-143.107-44c-9.907 0-18.826-6.078-22.376-15.327C67.697 267.541 16 277.731 16 176 16 78.803 94.805 0 192 0s176 78.803 176 176c0 101.731-51.697 91.541-90.516 192.673-3.55 9.249-12.47 15.327-22.376 15.327H128.893zM112 176c0-44.112 35.888-80 80-80 8.837 0 16-7.164 16-16s-7.163-16-16-16c-61.757 0-112 50.243-112 112 0 8.836 7.164 16 16 16s16-7.164 16-16z\"\/><\/svg><\/span><span class=\"kb-adv-text-inner\">Astuce : pr\u00e9parer un dossier sur l&rsquo;ordinateur pour y stocker toutes les sauvegardes.<\/span><\/p>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93, .wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93[data-kb-block=\"kb-adv-heading439_835f37-93\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93[data-kb-block=\"kb-adv-heading439_835f37-93\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_835f37-93[data-kb-block=\"kb-adv-heading439_835f37-93\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_835f37-93 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_835f37-93\"><strong>\u00c9tape 2 : sauvegarde du site<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00e9l\u00e9charger tous les fichiers du site depuis l&rsquo;ancien h\u00e9bergeur via FTP (via FileZilla, par exemple).<\/li>\n\n\n\n<li>Sauvegarder la base de donn\u00e9es (via phpMyAdmin, par exemple).<\/li>\n\n\n\n<li>Faire une copie des textes et images dans un dossier local, par s\u00e9curit\u00e9.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc, .wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc[data-kb-block=\"kb-adv-heading439_255099-bc\"]{padding-left:var(--global-kb-spacing-xs, 1rem);margin-bottom:var(--global-kb-spacing-lg, 3rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc[data-kb-block=\"kb-adv-heading439_255099-bc\"]{display:flex;gap:0.25em;align-items:baseline;}.wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc[data-kb-block=\"kb-adv-heading439_255099-bc\"] .kb-adv-heading-icon svg{width:1em;height:1em;}.wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc[data-kb-block=\"kb-adv-heading439_255099-bc\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_255099-bc[data-kb-block=\"kb-adv-heading439_255099-bc\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><p class=\"kt-adv-heading439_255099-bc wp-block-kadence-advancedheading kt-adv-heading-has-icon\" data-kb-block=\"kb-adv-heading439_255099-bc\"><span class=\"kb-svg-icon-wrap kb-adv-heading-icon kb-svg-icon-fas_lightbulb kb-adv-heading-icon-side-left\"><svg viewBox=\"0 0 384 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M272 428v28c0 10.449-6.68 19.334-16 22.629V488c0 13.255-10.745 24-24 24h-80c-13.255 0-24-10.745-24-24v-9.371c-9.32-3.295-16-12.18-16-22.629v-28c0-6.627 5.373-12 12-12h136c6.627 0 12 5.373 12 12zm-143.107-44c-9.907 0-18.826-6.078-22.376-15.327C67.697 267.541 16 277.731 16 176 16 78.803 94.805 0 192 0s176 78.803 176 176c0 101.731-51.697 91.541-90.516 192.673-3.55 9.249-12.47 15.327-22.376 15.327H128.893zM112 176c0-44.112 35.888-80 80-80 8.837 0 16-7.164 16-16s-7.163-16-16-16c-61.757 0-112 50.243-112 112 0 8.836 7.164 16 16 16s16-7.164 16-16z\"\/><\/svg><\/span><span class=\"kb-adv-text-inner\">Astuce : avec WordPress, utiliser un plugin comme UpdraftPlus, All-in-One WP Migration, ou Duplicator.<\/span><\/p>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68, .wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68[data-kb-block=\"kb-adv-heading439_f599d5-68\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68[data-kb-block=\"kb-adv-heading439_f599d5-68\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_f599d5-68[data-kb-block=\"kb-adv-heading439_f599d5-68\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_f599d5-68 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_f599d5-68\"><strong>\u00c9tape 3 : transfert du site<\/strong><\/h4>\n\n\n\n<ul style=\"margin-bottom:var(--wp--preset--spacing--40)\" class=\"wp-block-list\">\n<li>Envoyer les fichiers sur le nouvel h\u00e9bergeur via FTP.<\/li>\n\n\n\n<li>Importer la base de donn\u00e9es dans le nouvel espace.<\/li>\n\n\n\n<li>Modifier le fichier de configuration pour relier le site \u00e0 la base de donn\u00e9es (<code>wp-config.php<\/code> pour WordPress, par exemple).<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b, .wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b[data-kb-block=\"kb-adv-heading439_71258b-8b\"]{padding-left:var(--global-kb-spacing-xs, 1rem);margin-bottom:var(--global-kb-spacing-lg, 3rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b[data-kb-block=\"kb-adv-heading439_71258b-8b\"]{display:flex;gap:0.25em;align-items:center;}.wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b[data-kb-block=\"kb-adv-heading439_71258b-8b\"] .kb-adv-heading-icon svg{width:1em;height:1em;}.wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b[data-kb-block=\"kb-adv-heading439_71258b-8b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_71258b-8b[data-kb-block=\"kb-adv-heading439_71258b-8b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><p class=\"kt-adv-heading439_71258b-8b wp-block-kadence-advancedheading kt-adv-heading-has-icon\" data-kb-block=\"kb-adv-heading439_71258b-8b\"><span class=\"kb-svg-icon-wrap kb-adv-heading-icon kb-svg-icon-fas_lightbulb kb-adv-heading-icon-side-left\"><svg viewBox=\"0 0 384 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M272 428v28c0 10.449-6.68 19.334-16 22.629V488c0 13.255-10.745 24-24 24h-80c-13.255 0-24-10.745-24-24v-9.371c-9.32-3.295-16-12.18-16-22.629v-28c0-6.627 5.373-12 12-12h136c6.627 0 12 5.373 12 12zm-143.107-44c-9.907 0-18.826-6.078-22.376-15.327C67.697 267.541 16 277.731 16 176 16 78.803 94.805 0 192 0s176 78.803 176 176c0 101.731-51.697 91.541-90.516 192.673-3.55 9.249-12.47 15.327-22.376 15.327H128.893zM112 176c0-44.112 35.888-80 80-80 8.837 0 16-7.164 16-16s-7.163-16-16-16c-61.757 0-112 50.243-112 112 0 8.836 7.164 16 16 16s16-7.164 16-16z\"\/><\/svg><\/span><span class=\"kb-adv-text-inner\">Astuce : v\u00e9rifier si l&rsquo;h\u00e9bergeur propose une migration automatique.<\/span><\/p>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32, .wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32[data-kb-block=\"kb-adv-heading439_dd669b-32\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32[data-kb-block=\"kb-adv-heading439_dd669b-32\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_dd669b-32[data-kb-block=\"kb-adv-heading439_dd669b-32\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_dd669b-32 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_dd669b-32\"><strong>\u00c9tape 4 : configuration et test<\/strong><\/h4>\n\n\n\n<ul style=\"margin-bottom:var(--wp--preset--spacing--40)\" class=\"wp-block-list\">\n<li>V\u00e9rifier que tous les liens internes fonctionnent.<\/li>\n\n\n\n<li>Tester les images, formulaires et boutons.<\/li>\n\n\n\n<li>V\u00e9rifier que le nom de domaine pointe vers le bon site (sinon, il faut modifier les DNS chez son registrar).<\/li>\n\n\n\n<li>Avec HTTPS, installer le certificat SSL.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d, .wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d[data-kb-block=\"kb-adv-heading439_dd948a-3d\"]{padding-left:var(--global-kb-spacing-xs, 1rem);margin-bottom:var(--global-kb-spacing-lg, 3rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d[data-kb-block=\"kb-adv-heading439_dd948a-3d\"]{display:flex;gap:0.25em;align-items:baseline;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d[data-kb-block=\"kb-adv-heading439_dd948a-3d\"] .kb-adv-heading-icon svg{width:1em;height:1em;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d[data-kb-block=\"kb-adv-heading439_dd948a-3d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_dd948a-3d[data-kb-block=\"kb-adv-heading439_dd948a-3d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><p class=\"kt-adv-heading439_dd948a-3d wp-block-kadence-advancedheading kt-adv-heading-has-icon\" data-kb-block=\"kb-adv-heading439_dd948a-3d\"><span class=\"kb-svg-icon-wrap kb-adv-heading-icon kb-svg-icon-fas_lightbulb kb-adv-heading-icon-side-left\"><svg viewBox=\"0 0 384 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M272 428v28c0 10.449-6.68 19.334-16 22.629V488c0 13.255-10.745 24-24 24h-80c-13.255 0-24-10.745-24-24v-9.371c-9.32-3.295-16-12.18-16-22.629v-28c0-6.627 5.373-12 12-12h136c6.627 0 12 5.373 12 12zm-143.107-44c-9.907 0-18.826-6.078-22.376-15.327C67.697 267.541 16 277.731 16 176 16 78.803 94.805 0 192 0s176 78.803 176 176c0 101.731-51.697 91.541-90.516 192.673-3.55 9.249-12.47 15.327-22.376 15.327H128.893zM112 176c0-44.112 35.888-80 80-80 8.837 0 16-7.164 16-16s-7.163-16-16-16c-61.757 0-112 50.243-112 112 0 8.836 7.164 16 16 16s16-7.164 16-16z\"\/><\/svg><\/span><span class=\"kb-adv-text-inner\">Astuce : tester le site sur une adresse temporaire avant de rendre la migration publique.<\/span><\/p>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61, .wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61[data-kb-block=\"kb-adv-heading439_77072c-61\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61[data-kb-block=\"kb-adv-heading439_77072c-61\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_77072c-61[data-kb-block=\"kb-adv-heading439_77072c-61\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_77072c-61 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_77072c-61\"><strong>\u00c9tape 5 : Mise en ligne du site<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mettre \u00e0 jour les DNS pour <strong>pointer vers le nouvel h\u00e9bergeur<\/strong>. Cela peut prendre entre 2 et 24 heures pour se propager.<\/li>\n\n\n\n<li>V\u00e9rifier que le site fonctionne sur tous types d&rsquo;appareils (ordinateur, mobile, tablette).<\/li>\n\n\n\n<li style=\"margin-bottom:var(--wp--preset--spacing--70)\">\u00c9ventuellement, connecter le site \u00e0 Google Search Console et Google Analytics.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb, .wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb[data-kb-block=\"kb-adv-heading439_46b876-eb\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb[data-kb-block=\"kb-adv-heading439_46b876-eb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_46b876-eb[data-kb-block=\"kb-adv-heading439_46b876-eb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h4 class=\"kt-adv-heading439_46b876-eb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_46b876-eb\"><strong>\u00c9tape 6 : Surveillance apr\u00e8s la migration<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surveiller les <strong>erreurs 404<\/strong> (pages manquantes).<\/li>\n\n\n\n<li>V\u00e9rifier le <strong>trafic<\/strong> et ton <strong>r\u00e9f\u00e9rencement<\/strong> (SEO).<\/li>\n\n\n\n<li style=\"margin-bottom:0\">Supprimer l&rsquo;ancien site uniquement quand on est s\u00fbr que tout marche bien. Et garder les sauvegardes quelques semaines, par pr\u00e9caution. <\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8, .wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8[data-kb-block=\"kb-adv-heading439_4d54aa-f8\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8[data-kb-block=\"kb-adv-heading439_4d54aa-f8\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading439_4d54aa-f8[data-kb-block=\"kb-adv-heading439_4d54aa-f8\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading439_4d54aa-f8 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading439_4d54aa-f8\">\u25cb Les outils utiles<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Objectif<\/th><th>Outil conseill\u00e9<\/th><\/tr><\/thead><tbody><tr><td>Sauvegarde WordPress<\/td><td>UpdraftPlus \/ Duplicator<\/td><\/tr><tr><td>FTP (transfert de fichiers)<\/td><td>FileZilla<\/td><\/tr><tr><td>V\u00e9rifier les liens cass\u00e9s<\/td><td>Broken Link Checker<\/td><\/tr><tr><td>Suivre le SEO apr\u00e8s migration<\/td><td>Google Search Console<\/td><\/tr><tr><td>Test de vitesse<\/td><td>GTmetrix \/ PageSpeed Insights<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\" style=\"margin-top:var(--wp--preset--spacing--50);margin-bottom:var(--wp--preset--spacing--50)\"\/>\n\n\n\n<ul class=\"wp-block-outermost-social-sharing is-content-justification-center is-layout-flex wp-container-outermost-social-sharing-is-layout-fe48e5de wp-block-outermost-social-sharing-is-layout-flex\"><li class=\"outermost-social-sharing-link outermost-social-sharing-link-facebook wp-block-outermost-social-sharing-link\">\n\t<a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fblog.pitchweb-creation.fr%2Findex.php%2F2025%2F10%2F21%2Fquest-ce-que-la-migration-dun-site-web%2F&#038;title=Qu%E2%80%99est-ce%20que%20la%20migration%20d%26rsquo%3Bun%20site%20web%C2%A0%3F\" aria-label=\"Partager sur facebook\" rel=\"noopener nofollow\" target=\"_blank\" class=\"wp-block-outermost-social-sharing-link-anchor\">\n\t\t<svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2C6.5 2 2 6.5 2 12c0 5 3.7 9.1 8.4 9.9v-7H7.9V12h2.5V9.8c0-2.5 1.5-3.9 3.8-3.9 1.1 0 2.2.2 2.2.2v2.5h-1.3c-1.2 0-1.6.8-1.6 1.6V12h2.8l-.4 2.9h-2.3v7C18.3 21.1 22 17 22 12c0-5.5-4.5-10-10-10z\"><\/path><\/svg>\t\t<span class=\"wp-block-outermost-social-sharing-link-label screen-reader-text\">\n\t\t\tPartager sur facebook\t\t<\/span>\n\t<\/a>\n<\/li>\n\n\n<li class=\"outermost-social-sharing-link outermost-social-sharing-link-linkedin wp-block-outermost-social-sharing-link\">\n\t<a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https%3A%2F%2Fblog.pitchweb-creation.fr%2Findex.php%2F2025%2F10%2F21%2Fquest-ce-que-la-migration-dun-site-web%2F&#038;title=Qu%E2%80%99est-ce%20que%20la%20migration%20d%26rsquo%3Bun%20site%20web%C2%A0%3F\" aria-label=\"Partager sur LinkedIn\" rel=\"noopener nofollow\" target=\"_blank\" class=\"wp-block-outermost-social-sharing-link-anchor\">\n\t\t<svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg>\t\t<span class=\"wp-block-outermost-social-sharing-link-label screen-reader-text\">\n\t\t\tPartager sur LinkedIn\t\t<\/span>\n\t<\/a>\n<\/li>\n\n\n<li class=\"outermost-social-sharing-link outermost-social-sharing-link-whatsapp wp-block-outermost-social-sharing-link\">\n\t<a href=\"https:\/\/api.whatsapp.com\/send?text=Qu%E2%80%99est-ce%20que%20la%20migration%20d%26rsquo%3Bun%20site%20web%C2%A0%3F%20&mdash;%20https%3A%2F%2Fblog.pitchweb-creation.fr%2Findex.php%2F2025%2F10%2F21%2Fquest-ce-que-la-migration-dun-site-web%2F\" aria-label=\"Partager sur WhatsApp\" rel=\"noopener nofollow\" target=\"_blank\" class=\"wp-block-outermost-social-sharing-link-anchor\">\n\t\t<svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M 12.011719 2 C 6.5057187 2 2.0234844 6.478375 2.0214844 11.984375 C 2.0204844 13.744375 2.4814687 15.462563 3.3554688 16.976562 L 2 22 L 7.2324219 20.763672 C 8.6914219 21.559672 10.333859 21.977516 12.005859 21.978516 L 12.009766 21.978516 C 17.514766 21.978516 21.995047 17.499141 21.998047 11.994141 C 22.000047 9.3251406 20.962172 6.8157344 19.076172 4.9277344 C 17.190172 3.0407344 14.683719 2.001 12.011719 2 z M 12.009766 4 C 14.145766 4.001 16.153109 4.8337969 17.662109 6.3417969 C 19.171109 7.8517969 20.000047 9.8581875 19.998047 11.992188 C 19.996047 16.396187 16.413812 19.978516 12.007812 19.978516 C 10.674812 19.977516 9.3544062 19.642812 8.1914062 19.007812 L 7.5175781 18.640625 L 6.7734375 18.816406 L 4.8046875 19.28125 L 5.2851562 17.496094 L 5.5019531 16.695312 L 5.0878906 15.976562 C 4.3898906 14.768562 4.0204844 13.387375 4.0214844 11.984375 C 4.0234844 7.582375 7.6067656 4 12.009766 4 z M 8.4765625 7.375 C 8.3095625 7.375 8.0395469 7.4375 7.8105469 7.6875 C 7.5815469 7.9365 6.9355469 8.5395781 6.9355469 9.7675781 C 6.9355469 10.995578 7.8300781 12.182609 7.9550781 12.349609 C 8.0790781 12.515609 9.68175 15.115234 12.21875 16.115234 C 14.32675 16.946234 14.754891 16.782234 15.212891 16.740234 C 15.670891 16.699234 16.690438 16.137687 16.898438 15.554688 C 17.106437 14.971687 17.106922 14.470187 17.044922 14.367188 C 16.982922 14.263188 16.816406 14.201172 16.566406 14.076172 C 16.317406 13.951172 15.090328 13.348625 14.861328 13.265625 C 14.632328 13.182625 14.464828 13.140625 14.298828 13.390625 C 14.132828 13.640625 13.655766 14.201187 13.509766 14.367188 C 13.363766 14.534188 13.21875 14.556641 12.96875 14.431641 C 12.71875 14.305641 11.914938 14.041406 10.960938 13.191406 C 10.218937 12.530406 9.7182656 11.714844 9.5722656 11.464844 C 9.4272656 11.215844 9.5585938 11.079078 9.6835938 10.955078 C 9.7955938 10.843078 9.9316406 10.663578 10.056641 10.517578 C 10.180641 10.371578 10.223641 10.267562 10.306641 10.101562 C 10.389641 9.9355625 10.347156 9.7890625 10.285156 9.6640625 C 10.223156 9.5390625 9.737625 8.3065 9.515625 7.8125 C 9.328625 7.3975 9.131125 7.3878594 8.953125 7.3808594 C 8.808125 7.3748594 8.6425625 7.375 8.4765625 7.375 z\"><\/path><\/svg>\t\t<span class=\"wp-block-outermost-social-sharing-link-label screen-reader-text\">\n\t\t\tPartager sur WhatsApp\t\t<\/span>\n\t<\/a>\n<\/li>\n\n\n<li class=\"outermost-social-sharing-link outermost-social-sharing-link-x wp-block-outermost-social-sharing-link\">\n\t<a href=\"https:\/\/x.com\/share?url=https%3A%2F%2Fblog.pitchweb-creation.fr%2Findex.php%2F2025%2F10%2F21%2Fquest-ce-que-la-migration-dun-site-web%2F&#038;text=Qu%E2%80%99est-ce%20que%20la%20migration%20d%26rsquo%3Bun%20site%20web%C2%A0%3F\" aria-label=\"Partager 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Qu\u2019est-ce que la migration d&rsquo;un site web ? 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