{"id":38890,"date":"2025-03-09T15:16:25","date_gmt":"2025-03-09T15:16:25","guid":{"rendered":"\/tutoriels\/?p=38890"},"modified":"2025-03-17T18:57:09","modified_gmt":"2025-03-17T18:57:09","slug":"erreur-http-431","status":"publish","type":"post","link":"\/fr\/tutoriels\/erreur-http-431\/","title":{"rendered":"Erreur HTTP 431 : comment r\u00e9soudre le probl\u00e8me &#8220;request header fields too large&#8221;"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Le code de r&eacute;ponse <strong>HTTP Error 431: Request Header Fields Too Large<\/strong> indique que le serveur d&rsquo;origine refuse de r&eacute;pondre aux demandes des utilisateurs. Ce probl&egrave;me se produit lorsque les <a href=\"https:\/\/developer.mozilla.org\/fr\/docs\/Web\/HTTP\/Headers\" target=\"_blank\" rel=\"noopener\"><strong>en-t&ecirc;tes HTTP<\/strong><\/a> sont trop volumineux.<\/p><p class=\"wp-block-paragraph\">Lorsque vous &ecirc;tes confront&eacute; &agrave; ce message d&rsquo;erreur, pensez &agrave; v&eacute;rifier les cookies, &agrave; raccourcir l&rsquo;URL de r&eacute;f&eacute;rence et &agrave; optimiser le code. Cet article explique chaque m&eacute;thode et donne des conseils pour &eacute;viter que l&rsquo;erreur HTTP 431 ne se reproduise.<\/p><p class=\"wp-block-paragraph\">Voici le r&eacute;sum&eacute; de l&rsquo;erreur 431 :<\/p><figure tabindex=\"0\" class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Code d&rsquo;erreur<\/strong><\/td><td>Erreur HTTP 431<\/td><\/tr><tr><td><strong>Type d&rsquo;erreur<\/strong><\/td><td>C&ocirc;t&eacute; client<\/td><\/tr><tr><td><strong>Variations d&rsquo;erreurs<\/strong><\/td><td>Les champs d&rsquo;en-t&ecirc;te de la requ&ecirc;te sont trop volumineux<br>Cette page ne fonctionne pas<\/td><\/tr><tr><td><strong>Causes des erreurs<\/strong><\/td><td>Trop de cookies<br>L&rsquo;URL du r&eacute;f&eacute;rent est trop longue<br>La taille totale des en-t&ecirc;tes de requ&ecirc;te est trop importante<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"h-qu-est-ce-que-l-erreur-http-431\"><strong>Qu&rsquo;est-ce que l&rsquo;erreur HTTP 431 ?<\/strong><\/h2><p class=\"wp-block-paragraph\">L&rsquo;erreur 431 est un probl&egrave;me c&ocirc;t&eacute; client, ce qui signifie que le probl&egrave;me ne vient pas du serveur d&rsquo;origine. Cependant, ce code d&rsquo;&eacute;tat de r&eacute;ponse HTTP indique que le serveur ne peut pas traiter la demande du client. L&rsquo;erreur 431 signale sp&eacute;cifiquement un probl&egrave;me au niveau des champs d&rsquo;en-t&ecirc;te de la requ&ecirc;te.<\/p><p class=\"wp-block-paragraph\">M&ecirc;me si le protocole HTTP ne pr&eacute;voit pas de quantit&eacute; maximale de donn&eacute;es dans les requ&ecirc;tes, certains serveurs imposent une limite de taille pour des raisons de s&eacute;curit&eacute;.<\/p><p class=\"wp-block-paragraph\">Votre navigateur web affiche un message lorsque les en-t&ecirc;tes de la requ&ecirc;te ou un seul champ d&rsquo;en-t&ecirc;te est trop volumineux.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7a036\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7a036\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"898\" height=\"503\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/error-431-exemple.png\/public\" alt=\"Erreur 431 sur le navigateur Chrome.\" class=\"wp-image-38949\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/error-431-exemple.png\/w=898,fit=scale-down 898w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/error-431-exemple.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/error-431-exemple.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/error-431-exemple.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 898px) 100vw, 898px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Le code de statut de r&eacute;ponse 431 : Request header fields too large (champs d&rsquo;en-t&ecirc;te de requ&ecirc;te trop volumineux) peut appara&icirc;tre diff&eacute;remment selon votre navigateur. Toutefois, la plupart d&rsquo;entre eux n&rsquo;afficheront pas d&rsquo;explication sur la cause de ce probl&egrave;me.<\/p><h2 class=\"wp-block-heading\" id=\"h-3-methodes-pour-corriger-l-erreur-http-431\"><strong>3 m&eacute;thodes pour corriger l&rsquo;erreur HTTP 431<\/strong><\/h2><p class=\"wp-block-paragraph\">Nous allons partager avec vous trois m&eacute;thodes pour corriger l&rsquo;erreur HTTP 431 : Request header fields too large. Les utilisateurs peuvent corriger cette erreur sans acc&eacute;der au serveur car il s&rsquo;agit d&rsquo;un probl&egrave;me c&ocirc;t&eacute; client.<\/p><p class=\"wp-block-paragraph\">En outre, nous passerons en revue les &eacute;tapes de d&eacute;pannage pour les propri&eacute;taires de sites web qui peuvent acc&eacute;der au serveur.<\/p><p>\n\n\n<div class=\"announcement-block announcement-block--important\">\n            <span class=\"announcement-block__heading\">\n                <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                          d=\"M12 22.5C17.799 22.5 22.5 17.799 22.5 12C22.5 6.20101 17.799 1.5 12 1.5C6.20101 1.5 1.5 6.20101 1.5 12C1.5 17.799 6.20101 22.5 12 22.5ZM13.637 7.65198C13.637 6.74791 12.9041 6.01501 12 6.01501C11.0959 6.01501 10.363 6.74791 10.363 7.65198C10.5335 9.53749 10.875 13.383 10.875 13.383C10.875 14.0043 11.3787 14.508 12 14.508C12.6213 14.508 13.125 14.0043 13.125 13.383V13.38L13.637 7.65198ZM11.9927 15.714C11.3714 15.714 10.8677 16.2177 10.8677 16.839C10.8677 17.4603 11.3714 17.964 11.9927 17.964H12.0073C12.6286 17.964 13.1323 17.4603 13.1323 16.839C13.1323 16.2177 12.6286 15.714 12.0073 15.714H11.9927Z\"\n                          fill=\"#FEA419\"\/>\n                <\/svg>\n                Important\n            <\/span>\n            <p class=\"announcement-block__content\">\n                <strong>Important !<\/strong> V&eacute;rifiez si le site web est indisponible pour tout le monde ou seulement pour vous avant de suivre ces m&eacute;thodes.\n            <\/p><\/div>\n\n\n\n<\/p><h3 class=\"wp-block-heading\" id=\"h-1-effacez-vos-cookies\"><strong>1. Effacez vos cookies<\/strong><\/h3><p class=\"wp-block-paragraph\">Un trop grand nombre de cookies dans la requ&ecirc;te peut amener une page web &agrave; afficher le statut d&rsquo;erreur HTTP 431 au lieu de son contenu. Les sites web utilisent souvent des cookies pour stocker les pr&eacute;f&eacute;rences, fournir un contenu pertinent et garder les utilisateurs connect&eacute;s.<\/p><p class=\"wp-block-paragraph\">Cependant, <strong><a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/vider-cache\/\">vider les cookies du navigateur<\/a> <\/strong>permet de r&eacute;soudre ce probl&egrave;me.<\/p><p class=\"wp-block-paragraph\">La plupart des navigateurs web ont leur propre proc&eacute;dure pour effacer les cookies du navigateur. Vous pouvez &eacute;galement effacer les cookies d&rsquo;un site web particulier ou de tous les sites web visit&eacute;s.<\/p><p>\n\n\n    <div class=\"announcement-block announcement-block--warning\">\n        <span class=\"announcement-block__heading\">\n            <svg width=\"24\" height=\"26\" viewBox=\"0 0 24 26\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                d=\"M12 23.5C17.799 23.5 22.5 18.799 22.5 13C22.5 7.20101 17.799 2.5 12 2.5C6.20101 2.5 1.5 7.20101 1.5 13C1.5 18.799 6.20101 23.5 12 23.5ZM13.637 8.65198C13.637 7.74791 12.9041 7.01501 12 7.01501C11.0959 7.01501 10.363 7.74791 10.363 8.65198C10.5335 10.5375 10.875 14.383 10.875 14.383C10.875 15.0043 11.3787 15.508 12 15.508C12.6213 15.508 13.125 15.0043 13.125 14.383V14.38L13.637 8.65198ZM11.9927 16.714C11.3714 16.714 10.8677 17.2177 10.8677 17.839C10.8677 18.4603 11.3714 18.964 11.9927 18.964H12.0073C12.6286 18.964 13.1323 18.4603 13.1323 17.839C13.1323 17.2177 12.6286 16.714 12.0073 16.714H11.9927Z\"\n                fill=\"#BE1025\"\/>\n            <\/svg>\n            Warning        <\/span>\n        <p class=\"announcement-block__content\">\n            <strong>Attention !<\/strong> L'effacement des cookies vous d&eacute;connectera des sites web visit&eacute;s pr&eacute;c&eacute;demment. Nous vous recommandons donc de sauvegarder vos informations de connexion avant de suivre cette m&eacute;thode.        <\/p>\n    <\/div>\n\n    \n\n\n\n<\/p><p class=\"wp-block-paragraph\">Par exemple, voici la marche &agrave; suivre pour supprimer les cookies pour les utilisateurs de Google Chrome :<\/p><ol class=\"wp-block-list\">\n<li>Cliquez sur le menu <strong>trois points<\/strong> &agrave; droite de la barre d&rsquo;adresse et s&eacute;lectionnez <strong>Supprimer les donn&eacute;es de navigation<\/strong>. Google Chrome vous dirigera vers la page <strong>Param&egrave;tres<\/strong>. Une autre option consiste &agrave; appuyer sur <strong>Ctrl + Maj + Suppr <\/strong>sur votre clavier.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7abf0\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7abf0\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"481\" height=\"450\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-navigation-chrome-03-08-2025_11_51_PM.png\/public\" alt=\"Option Supprimer les donn&eacute;es de navigation de Google Chrome\" class=\"wp-image-38950\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-navigation-chrome-03-08-2025_11_51_PM.png\/w=481,fit=scale-down 481w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-navigation-chrome-03-08-2025_11_51_PM.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-navigation-chrome-03-08-2025_11_51_PM.png\/w=150,fit=scale-down 150w\" sizes=\"(max-width: 481px) 100vw, 481px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><ol start=\"2\" class=\"wp-block-list\">\n<li>Sous <strong>Supprimer les donn&eacute;es de navigation<\/strong>, s&eacute;lectionnez la <strong>P&eacute;riode <\/strong>pour effacer les cookies. Nous vous recommandons de choisir <strong>Toutes les donn&eacute;es <\/strong>pour les effacer compl&egrave;tement. Cochez ensuite la case situ&eacute;e &agrave; c&ocirc;t&eacute; de <strong>Cookies et autres donn&eacute;es des sites<\/strong>.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7b49b\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7b49b\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"694\" height=\"614\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-cookies-et-autres-donnees-sites.png\/public\" alt=\"Fen&ecirc;tre Supprimer les donn&eacute;es de navigation sur Chrome, en cochant l'option Cookies et autres donn&eacute;es des sites\" class=\"wp-image-38951\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-cookies-et-autres-donnees-sites.png\/w=694,fit=scale-down 694w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-cookies-et-autres-donnees-sites.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-cookies-et-autres-donnees-sites.png\/w=150,fit=scale-down 150w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Si vous ne voulez pas perdre vos informations de connexion sur tous les sites web, suivez ces &eacute;tapes pour effacer les cookies sur une adresse web sp&eacute;cifique :<\/p><ol class=\"wp-block-list\">\n<li>Cliquez sur le menu <strong>trois points<\/strong> et s&eacute;lectionnez<strong> Param&egrave;tres -&gt; Confidentialit&eacute; et s&eacute;curit&eacute;<\/strong>.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7bbdd\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7bbdd\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-content\/uploads\/sites\/46\/2025\/03\/Parametres-%E2%80%93-Confidentialite-et-securite-03-09-2025_12_02_AM-1024x527.png\" alt=\"Section Cookies tiers dans les param&egrave;tres de Google Chrome\" class=\"wp-image-38952\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><ol start=\"2\" class=\"wp-block-list\">\n<li>S&eacute;lectionnez <strong>Cookies tiers<\/strong>, faites d&eacute;filer vers le bas et cliquez sur <strong>Voir toutes les donn&eacute;es et autorisations des sites<\/strong>.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7c46d\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7c46d\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"429\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/voir-toutes-donnees-et-autorisations-sites.png\/w=1024,h=1024,fit=scale-down\" alt=\"Param&egrave;tres Google, affichant l'option voir toutes les donn&eacute;es et autorisations des sites\" class=\"wp-image-38953\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/voir-toutes-donnees-et-autorisations-sites.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/voir-toutes-donnees-et-autorisations-sites.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/voir-toutes-donnees-et-autorisations-sites.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/voir-toutes-donnees-et-autorisations-sites.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><ol start=\"3\" class=\"wp-block-list\">\n<li>Ins&eacute;rer l&rsquo;adresse du site dans la section de recherche<strong>.<\/strong><\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7cc97\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7cc97\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"851\" height=\"298\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/barre-recherche-cookies-site.png\/public\" alt=\"Rechercher les cookies dans Google Chrome\" class=\"wp-image-38954\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/barre-recherche-cookies-site.png\/w=851,fit=scale-down 851w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/barre-recherche-cookies-site.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/barre-recherche-cookies-site.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/barre-recherche-cookies-site.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 851px) 100vw, 851px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><ol start=\"4\" class=\"wp-block-list\">\n<li>Cliquez sur l&rsquo;ic&ocirc;ne de <strong>corbeille<\/strong> &agrave; c&ocirc;t&eacute; de l&rsquo;adresse ou sur le bouton <strong>Supprimer les donn&eacute;es affich&eacute;es<\/strong>.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7d3f4\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7d3f4\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"850\" height=\"298\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-affichees.png\/public\" alt=\"Supprimer tous les cookies affich&eacute;s dans Google Chrome\" class=\"wp-image-38955\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-affichees.png\/w=850,fit=scale-down 850w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-affichees.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-affichees.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/supprimer-donnees-affichees.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><p class=\"wp-block-paragraph\">En effa&ccedil;ant r&eacute;guli&egrave;rement les cookies, vous &eacute;viterez ce probl&egrave;me &agrave; l&rsquo;avenir. En outre, la pr&eacute;sence d&rsquo;un grand nombre de cookies peut &eacute;galement constituer une menace potentielle pour la s&eacute;curit&eacute;.<\/p><h3 class=\"wp-block-heading\" id=\"h-2-raccourcir-l-url-de-reference\"><strong>2. Raccourcir l&rsquo;URL de r&eacute;f&eacute;rence<\/strong><\/h3><p class=\"wp-block-paragraph\">Lorsque vous cliquez sur un lien, la longueur de l&rsquo;URL de r&eacute;f&eacute;rence peut provoquer l&rsquo;erreur 431. Raccourcissez votre requ&ecirc;te en supprimant tout ce qui se trouve apr&egrave;s le <strong>point d&rsquo;interrogation <\/strong>dans la barre de recherche d&rsquo;URL de votre navigateur. Toutefois, cette solution n&rsquo;est que temporaire pour les visiteurs.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a7cc3cb7dcaa\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a7cc3cb7dcaa\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"656\" height=\"36\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/referrer-url-exemple.png\/public\" alt=\"Exemple d'URL de r&eacute;f&eacute;rence\" class=\"wp-image-38956\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/referrer-url-exemple.png\/w=656,fit=scale-down 656w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/referrer-url-exemple.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2025\/03\/referrer-url-exemple.png\/w=150,fit=scale-down 150w\" sizes=\"(max-width: 656px) 100vw, 656px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Si votre site est confront&eacute; &agrave; ce probl&egrave;me, diminuez les <a href=\"https:\/\/support.google.com\/analytics\/answer\/1033863\" target=\"_blank\" rel=\"noopener\"><strong>param&egrave;tres<\/strong><\/a><strong> <\/strong>pour raccourcir vos URL de r&eacute;f&eacute;rence. Personnalisez votre requ&ecirc;te &agrave; l&rsquo;aide de l&rsquo;outil <a href=\"https:\/\/ga-dev-tools.web.app\/campaign-url-builder\/\" target=\"_blank\" rel=\"noopener\"><strong>Campaign URL Builder<\/strong><\/a><strong> <\/strong>et d&rsquo;un compte <strong>Google Analytics<\/strong>. Cet outil vous indiquera &eacute;galement quels param&egrave;tres sont n&eacute;cessaires ou facultatifs.<\/p><p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/ajouter-plugin-wordpress\/\">Installez un plugin<\/a> <\/strong>pour rendre ce processus plus facile &agrave; g&eacute;rer si vous utilisez WordPress. Nous vous recommandons d&rsquo;utiliser <strong><a href=\"https:\/\/fr.wordpress.org\/plugins\/google-analytics-for-wordpress\/\" target=\"_blank\" rel=\"noopener\">Google Analytics Dashboard for WordPress<\/a> <\/strong>ou <a href=\"https:\/\/wordpress.org\/plugins\/url-params\/\" target=\"_blank\" rel=\"noopener\"><strong>URL Params<\/strong><\/a><strong> <\/strong>pour raccourcir vos param&egrave;tres.<\/p><h3 class=\"wp-block-heading\" id=\"h-3-passez-en-revue-votre-code\"><strong>3. Passez en revue votre code<\/strong><\/h3><p class=\"wp-block-paragraph\">Si aucune de ces m&eacute;thodes ne fonctionne, examinez votre code. Un grand nombre de requ&ecirc;tes dans le code est &agrave; l&rsquo;origine de ce probl&egrave;me. En outre, certains serveurs web ont une limite de taille pour les en-t&ecirc;tes de requ&ecirc;te.<\/p><p class=\"wp-block-paragraph\">V&eacute;rifiez si les en-t&ecirc;tes de la requ&ecirc;te ont d&eacute;pass&eacute; la limite de taille. Certains logiciels fournissent un outil permettant d&rsquo;augmenter la limite de la ligne de requ&ecirc;te, comme <a href=\"https:\/\/docs.apigee.com\/private-cloud\/v4.51.00\/how-configure-edge\" target=\"_blank\" rel=\"noopener\"><strong>Apigee<\/strong><\/a>. Si vous ne pouvez pas l&rsquo;augmenter vous-m&ecirc;me, essayez de contacter votre h&eacute;bergeur.<\/p><figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.hostinger.com\/fr\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"300\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-Web-hosting_in-text-banner-1-1024x300-1.png\/public\" alt=\"\" class=\"wp-image-41467\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-Web-hosting_in-text-banner-1-1024x300-1.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-Web-hosting_in-text-banner-1-1024x300-1.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-Web-hosting_in-text-banner-1-1024x300-1.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-Web-hosting_in-text-banner-1-1024x300-1.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><h2 class=\"wp-block-heading\" id=\"h-conclusion\"><strong>Conclusion<\/strong><\/h2><p class=\"wp-block-paragraph\">Le code de statut de r&eacute;ponse HTTP 431 : Request header fields too large indique un probl&egrave;me caus&eacute; par la taille totale des en-t&ecirc;tes de la requ&ecirc;te. Pour r&eacute;pondre &agrave; toutes les questions concernant ce probl&egrave;me, nous avons partag&eacute; le r&eacute;sum&eacute; de ses causes communes, y compris un trop grand nombre de cookies et des URL de r&eacute;f&eacute;rence trop longues.<\/p><p class=\"wp-block-paragraph\">Les trois m&eacute;thodes pour corriger l&rsquo;erreur 431 consistent &agrave; effacer les cookies, &agrave; raccourcir la requ&ecirc;te du r&eacute;f&eacute;rent et &agrave; v&eacute;rifier votre code.<\/p><p class=\"wp-block-paragraph\">Si vous rencontrez toujours ce probl&egrave;me, contactez votre h&eacute;bergeur ou actualisez votre navigateur si vous n&rsquo;&ecirc;tes pas le propri&eacute;taire du site web.<\/p><p>\n\n\n        <div class=\"protip\">\n            <div class=\"protip__heading\">\n                <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path d=\"M1.49234 23.5024C1.23229 23.5024 0.972242 23.4024 0.782206 23.2123C0.562165 22.9923 0.452144 22.6822 0.502153 22.3722C0.562165 21.9221 1.14227 17.9113 3.00262 16.351C3.63274 15.8209 4.43289 15.5509 5.26305 15.5609C6.09321 15.5909 6.87335 15.9109 7.47347 16.4911C8.6937 17.6913 8.76371 19.6717 7.6435 20.9919C6.0832 22.8523 2.08245 23.4324 1.63237 23.4924C1.59236 23.4924 1.54235 23.4924 1.50234 23.4924L1.49234 23.5024ZM5.16303 17.5613C4.84297 17.5613 4.53291 17.6713 4.29287 17.8813C3.60274 18.4614 3.07264 19.9317 2.75258 21.242C4.06282 20.9219 5.5331 20.3918 6.11321 19.7017C6.55329 19.1716 6.54329 18.3814 6.0832 17.9213C5.85316 17.7013 5.5431 17.5713 5.20304 17.5613C5.19304 17.5613 5.17303 17.5613 5.16303 17.5613ZM11.7243 21.8821C11.4942 21.8821 11.2642 21.8021 11.0841 21.652C10.8541 21.462 10.7241 21.1819 10.7241 20.8819V15.9109L8.08358 13.2705H3.11264C2.81259 13.2705 2.53254 13.1404 2.3425 12.9104C2.15246 12.6803 2.07245 12.3803 2.12246 12.0902C2.19247 11.7102 2.84259 8.36953 4.70294 7.12929C6.33325 6.04909 8.96375 6.49918 10.244 6.80923C11.5442 4.96889 13.2546 3.4286 15.2349 2.33839C17.4553 1.11816 19.9858 0.518051 22.4963 0.498047C23.0464 0.498047 23.4865 0.948132 23.4865 1.49824C23.4865 5.0389 22.3763 9.97983 17.1753 13.7605C17.4853 15.0408 17.9354 17.6613 16.8552 19.2816C15.615 21.1419 12.2744 21.7921 11.8943 21.8621C11.8343 21.8721 11.7743 21.8821 11.7143 21.8821H11.7243ZM12.7245 16.181V19.6016C13.7146 19.2916 14.7948 18.7915 15.2049 18.1814C15.675 17.4812 15.605 16.091 15.385 14.9008C14.5248 15.3808 13.6346 15.8109 12.7245 16.181ZM9.66388 12.0302L11.9643 14.3307C13.1845 13.8306 14.3648 13.2204 15.485 12.5103C19.9358 9.51974 21.2361 5.60901 21.4561 2.53843C19.6157 2.67846 17.8254 3.20856 16.2051 4.09872C14.2847 5.14892 12.6544 6.68921 11.4942 8.54956C10.7841 9.65977 10.174 10.82 9.66388 12.0302ZM4.39289 11.2701H7.81353C8.1936 10.3599 8.63368 9.46974 9.11377 8.60957C7.92355 8.38953 6.51329 8.31952 5.81315 8.78961C5.19304 9.19968 4.70294 10.3099 4.39289 11.2701Z\" fill=\"#673DE6\"\/>\n                <\/svg>\n                <p class=\"protip__title\">\n                    D&eacute;pannage des autres erreurs 4xx                <\/p>\n            <\/div>\n            <p class=\"protip__content\"> <a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/erreur-400\/\">Comment r&eacute;soudre l'erreur HTTP 400<\/a><br>\n<a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/comment-reparer-l-erreur-401\/\">Comment r&eacute;soudre l'erreur 401 Unauthorized<\/a><br>\n<a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/403-forbidden\/\">Comment r&eacute;soudre l'erreur 403 Forbidden<\/a><br>\n<a href=\"https:\/\/www.hostinger.com\/fr\/tutoriels\/reparer-erreur-404-wordpress\/\">Comment r&eacute;soudre l'erreur 404 Not Found<\/a><br>\n<a href=\"\/fr\/tutoriels\/413-request-entity-too-large\/\">Comment r&eacute;soudre l'erreur 413 Request Entity Too Large<\/a> <\/p>\n                    <\/div>\n        \n\n\n\n<\/p><h2 class=\"wp-block-heading\" id=\"h-erreur-http-431-faq\"><strong>Erreur HTTP 431<\/strong> &ndash; FAQ<\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1741456456337\"><h3 class=\"schema-faq-question\"><strong>Quelles sont les causes de l&rsquo;erreur HTTP 431 ?<\/strong><\/h3> <p class=\"schema-faq-answer\">L&rsquo;erreur HTTP 431 se produit lorsque le serveur re&ccedil;oit un en-t&ecirc;te de requ&ecirc;te dont la taille est sup&eacute;rieure &agrave; celle qu&rsquo;il souhaite ou peut traiter. Cette situation peut &ecirc;tre due &agrave; un client qui envoie trop de donn&eacute;es dans l&rsquo;en-t&ecirc;te de la requ&ecirc;te ou &agrave; un serveur qui impose des limites strictes &agrave; la taille de l&rsquo;en-t&ecirc;te.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1741456464204\"><h3 class=\"schema-faq-question\"><strong>Comment &eacute;viter une erreur HTTP 431 ?<\/strong><\/h3> <p class=\"schema-faq-answer\">L&rsquo;augmentation de la taille maximale des en-t&ecirc;tes que votre serveur peut traiter permet d&rsquo;&eacute;viter l&rsquo;erreur HTTP 431, ce qui peut &ecirc;tre fait via votre h&eacute;bergement. Configurer les serveurs pour qu&rsquo;ils compressent et consolident les champs d&rsquo;en-t&ecirc;te et supprimer les cookies inutiles peut &eacute;galement contribuer &agrave; &eacute;viter cette erreur.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1741456473878\"><h3 class=\"schema-faq-question\"><strong>Quelles sont les cons&eacute;quences d&rsquo;une erreur HTTP 431 ?<\/strong><\/h3> <p class=\"schema-faq-answer\">Les cons&eacute;quences de l&rsquo;erreur HTTP 431 varient en fonction du contexte de la demande. Dans certains cas, l&rsquo;erreur peut amener le serveur &agrave; rejeter la demande, ce qui entra&icirc;ne l&rsquo;&eacute;chec de la transaction. Dans d&rsquo;autres cas, elle peut entra&icirc;ner le traitement de donn&eacute;es incompl&egrave;tes ou corrompues.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le code de r&eacute;ponse HTTP Error 431: Request Header Fields Too Large indique que le serveur d&rsquo;origine refuse de r&eacute;pondre aux demandes des utilisateurs. Ce probl&egrave;me se produit lorsque les en-t&ecirc;tes HTTP sont trop volumineux. Lorsque vous &ecirc;tes confront&eacute; &agrave; ce message d&rsquo;erreur, pensez &agrave; v&eacute;rifier les cookies, &agrave; raccourcir l&rsquo;URL de r&eacute;f&eacute;rence et &agrave; [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"\/fr\/tutoriels\/erreur-http-431\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":355,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Comment corriger l'erreur HTTP 431 en 3 m\u00e9thodes simples","rank_math_description":"Suivez ce tutoriel pour d\u00e9couvrir trois m\u00e9thodes pour corriger l'erreur HTTP 431 : Request Header Fields Too Large.","rank_math_focus_keyword":"erreur http 431","footnotes":""},"categories":[5890,5842],"tags":[],"class_list":["post-38890","post","type-post","status-publish","format-standard","hentry","category-aspects-techniques","category-hebergement"],"hreflangs":[{"locale":"en-US","link":"https:\/\/www.hostinger.com\/tutorials\/how-to-fix-error-431\/","default":1},{"locale":"pt-BR","link":"https:\/\/www.hostinger.com\/br\/tutoriais\/erro-http-431\/","default":0},{"locale":"fr-FR","link":"https:\/\/www.hostinger.com\/fr\/tutoriels\/erreur-http-431\/","default":0},{"locale":"es-ES","link":"https:\/\/www.hostinger.com\/es\/tutoriales\/error-431\/","default":0},{"locale":"id-ID","link":"https:\/\/www.hostinger.com\/id\/tutorial\/cara-mengatasi-error-431\/","default":0},{"locale":"pl-PL","link":"https:\/\/www.hostinger.com\/pl\/tutoriale\/jak-sprawdzic-czy-nazwa-firmy-jest-zajeta\/","default":0},{"locale":"ja-JP","link":"https:\/\/www.hostinger.com\/jp\/tutorials\/how-to-check-if-a-business-name-is-taken\/","default":0},{"locale":"en-PH","link":"https:\/\/www.hostinger.com\/ph\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-MY","link":"https:\/\/www.hostinger.com\/my\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-GB","link":"https:\/\/www.hostinger.com\/uk\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-IN","link":"https:\/\/www.hostinger.com\/in\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-CA","link":"https:\/\/www.hostinger.com\/ca\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-AU","link":"https:\/\/www.hostinger.com\/au\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"en-NG","link":"https:\/\/www.hostinger.com\/ng\/tutorials\/how-to-fix-error-431\/","default":0},{"locale":"es-AR","link":"https:\/\/www.hostinger.com\/ar\/tutoriales\/error-431\/","default":0},{"locale":"es-MX","link":"https:\/\/www.hostinger.com\/mx\/tutoriales\/error-431\/","default":0},{"locale":"es-CO","link":"https:\/\/www.hostinger.com\/co\/tutoriales\/error-431\/","default":0},{"locale":"pt-PT","link":"https:\/\/www.hostinger.com\/pt\/tutoriais\/erro-http-431\/","default":0}],"_links":{"self":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/38890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/users\/355"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/comments?post=38890"}],"version-history":[{"count":12,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/38890\/revisions"}],"predecessor-version":[{"id":39144,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/38890\/revisions\/39144"}],"wp:attachment":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/media?parent=38890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/categories?post=38890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/tags?post=38890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}