{"id":29854,"date":"2026-04-09T14:05:33","date_gmt":"2026-04-09T12:05:33","guid":{"rendered":"https:\/\/www.ismartframe.com\/?p=29854"},"modified":"2026-04-09T14:12:28","modified_gmt":"2026-04-09T12:12:28","slug":"caching-delle-risposte-404","status":"publish","type":"post","link":"https:\/\/www.ismartframe.com\/it\/magazine\/technical-seo\/caching-delle-risposte-404\/","title":{"rendered":"Caching delle risposte 404: guida strategica per performance, SEO e sicurezza"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"29854\" class=\"elementor elementor-29854\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8e50c4 e-con-full e-flex e-con e-parent\" data-id=\"a8e50c4\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b528d19 e-con-full e-flex e-con e-child\" data-id=\"b528d19\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b77c095 e-con-full e-flex e-con e-child\" data-id=\"b77c095\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b857e37 e-flex e-con-boxed e-con e-child\" data-id=\"b857e37\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-df1757a e-con-full e-flex e-con e-child\" data-id=\"df1757a\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-80343dc e-con-full e-flex e-con e-child\" data-id=\"80343dc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d059f51 elementor-widget elementor-widget-image\" data-id=\"d059f51\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.ismartframe.com\/it\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"184\" height=\"37\" src=\"https:\/\/www.ismartframe.com\/wp-content\/uploads\/2024\/05\/iSmartFrame.png\" class=\"attachment-full size-full wp-image-22992\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-11d2e08 e-con-full wrap-menu-mobile-custom-a e-flex e-con e-child\" data-id=\"11d2e08\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7178ec elementor-hidden-tablet elementor-hidden-mobile hfe-nav-menu__align-left hfe-submenu-icon-arrow hfe-submenu-animation-none hfe-link-redirect-child hfe-nav-menu__breakpoint-tablet elementor-widget elementor-widget-navigation-menu\" data-id=\"a7178ec\" data-element_type=\"widget\" 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data-widget_type=\"navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t<div class=\"hfe-nav-menu hfe-layout-horizontal hfe-nav-menu-layout horizontal hfe-pointer__none\" data-layout=\"horizontal\">\n\t\t\t\t<div role=\"button\" class=\"hfe-nav-menu__toggle elementor-clickable\">\n\t\t\t\t\t<span class=\"screen-reader-text\">Menu<\/span>\n\t\t\t\t\t<div class=\"hfe-nav-menu-icon\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\"  class=\"e-font-icon-svg e-fas-align-justify\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M432 416H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16A16 16 0 0 0 0 48v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16V48a16 16 0 0 0-16-16z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<nav class=\"hfe-nav-menu__layout-horizontal hfe-nav-menu__submenu-arrow\" data-toggle-icon=\"&lt;svg aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;e-font-icon-svg e-fas-align-justify&quot; viewBox=&quot;0 0 448 512&quot; xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot;&gt;&lt;path d=&quot;M432 416H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16A16 16 0 0 0 0 48v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16V48a16 16 0 0 0-16-16z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;\" data-close-icon=\"&lt;svg aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;e-font-icon-svg e-far-window-close&quot; viewBox=&quot;0 0 512 512&quot; xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot;&gt;&lt;path d=&quot;M464 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h416c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zm0 394c0 3.3-2.7 6-6 6H54c-3.3 0-6-2.7-6-6V86c0-3.3 2.7-6 6-6h404c3.3 0 6 2.7 6 6v340zM356.5 194.6L295.1 256l61.4 61.4c4.6 4.6 4.6 12.1 0 16.8l-22.3 22.3c-4.6 4.6-12.1 4.6-16.8 0L256 295.1l-61.4 61.4c-4.6 4.6-12.1 4.6-16.8 0l-22.3-22.3c-4.6-4.6-4.6-12.1 0-16.8l61.4-61.4-61.4-61.4c-4.6-4.6-4.6-12.1 0-16.8l22.3-22.3c4.6-4.6 12.1-4.6 16.8 0l61.4 61.4 61.4-61.4c4.6-4.6 12.1-4.6 16.8 0l22.3 22.3c4.7 4.6 4.7 12.1 0 16.8z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;\" data-full-width=\"yes\">\n\t\t\t\t\t<ul id=\"menu-1-a7178ec\" class=\"hfe-nav-menu\"><li id=\"menu-item-27040\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/come-funziona\/\" class = \"hfe-menu-item\">Come Funziona?<\/a><\/li>\n<li id=\"menu-item-27043\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/caratteristiche\/\" class = \"hfe-menu-item\">Caratteristiche<\/a><\/li>\n<li id=\"menu-item-27038\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/vantaggi\/\" class = \"hfe-menu-item\">Vantaggi<\/a><\/li>\n<li id=\"menu-item-27041\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/tariffe\/\" class = \"hfe-menu-item\">Tariffe<\/a><\/li>\n<li id=\"menu-item-28419\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/partnership-program\/\" class = \"hfe-menu-item\">Partner Program<\/a><\/li>\n<li id=\"menu-item-27039\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/chi-siamo\/\" class = \"hfe-menu-item\">Chi siamo<\/a><\/li>\n<li id=\"menu-item-29522\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/magazine\/\" class = \"hfe-menu-item\">Magazine<\/a><\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9bf47e5 hfe-nav-menu__align-right menu-mobile-custom-a elementor-hidden-desktop hfe-submenu-icon-arrow hfe-submenu-animation-none hfe-link-redirect-child hfe-nav-menu__breakpoint-tablet elementor-widget elementor-widget-navigation-menu\" data-id=\"9bf47e5\" data-element_type=\"widget\" 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data-widget_type=\"navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t<div class=\"hfe-nav-menu hfe-layout-horizontal hfe-nav-menu-layout horizontal hfe-pointer__none\" data-layout=\"horizontal\">\n\t\t\t\t<div role=\"button\" class=\"hfe-nav-menu__toggle elementor-clickable\">\n\t\t\t\t\t<span class=\"screen-reader-text\">Menu<\/span>\n\t\t\t\t\t<div class=\"hfe-nav-menu-icon\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\"  class=\"e-font-icon-svg e-fas-align-justify\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M432 416H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16A16 16 0 0 0 0 48v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16V48a16 16 0 0 0-16-16z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<nav class=\"hfe-nav-menu__layout-horizontal hfe-nav-menu__submenu-arrow\" data-toggle-icon=\"&lt;svg aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;e-font-icon-svg e-fas-align-justify&quot; viewBox=&quot;0 0 448 512&quot; xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot;&gt;&lt;path d=&quot;M432 416H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zm0-128H16A16 16 0 0 0 0 48v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16V48a16 16 0 0 0-16-16z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;\" data-close-icon=\"&lt;svg aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;e-font-icon-svg e-far-window-close&quot; viewBox=&quot;0 0 512 512&quot; xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot;&gt;&lt;path d=&quot;M464 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h416c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zm0 394c0 3.3-2.7 6-6 6H54c-3.3 0-6-2.7-6-6V86c0-3.3 2.7-6 6-6h404c3.3 0 6 2.7 6 6v340zM356.5 194.6L295.1 256l61.4 61.4c4.6 4.6 4.6 12.1 0 16.8l-22.3 22.3c-4.6 4.6-12.1 4.6-16.8 0L256 295.1l-61.4 61.4c-4.6 4.6-12.1 4.6-16.8 0l-22.3-22.3c-4.6-4.6-4.6-12.1 0-16.8l61.4-61.4-61.4-61.4c-4.6-4.6-4.6-12.1 0-16.8l22.3-22.3c4.6-4.6 12.1-4.6 16.8 0l61.4 61.4 61.4-61.4c4.6-4.6 12.1-4.6 16.8 0l22.3 22.3c4.7 4.6 4.7 12.1 0 16.8z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;\" data-full-width=\"yes\">\n\t\t\t\t\t<ul id=\"menu-1-9bf47e5\" class=\"hfe-nav-menu\"><li id=\"menu-item-27040\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/come-funziona\/\" class = \"hfe-menu-item\">Come Funziona?<\/a><\/li>\n<li id=\"menu-item-27043\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/caratteristiche\/\" class = \"hfe-menu-item\">Caratteristiche<\/a><\/li>\n<li id=\"menu-item-27038\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/vantaggi\/\" class = \"hfe-menu-item\">Vantaggi<\/a><\/li>\n<li id=\"menu-item-27041\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/tariffe\/\" class = \"hfe-menu-item\">Tariffe<\/a><\/li>\n<li id=\"menu-item-28419\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/partnership-program\/\" class = \"hfe-menu-item\">Partner Program<\/a><\/li>\n<li id=\"menu-item-27039\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/chi-siamo\/\" class = \"hfe-menu-item\">Chi siamo<\/a><\/li>\n<li id=\"menu-item-29522\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.ismartframe.com\/it\/magazine\/\" class = \"hfe-menu-item\">Magazine<\/a><\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d44de1d e-con-full elementor-hidden-tablet elementor-hidden-mobile e-flex e-con e-child\" data-id=\"d44de1d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ad718a elementor-align-right elementor-widget elementor-widget-button\" data-id=\"1ad718a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.ismartframe.com\/subscribe\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon elementor-align-icon-right\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"27.427\" height=\"16.281\" viewBox=\"0 0 27.427 16.281\"><path id=\"Tracciato_70\" data-name=\"Tracciato 70\" d=\"M0,140.9a1.544,1.544,0,0,1,1.635-.991q10.387.024,20.773.009H23c-.15-.16-.237-.259-.33-.352q-2.121-2.123-4.244-4.243a1.277,1.277,0,0,1-.367-1.368,1.218,1.218,0,0,1,1.027-.872,1.332,1.332,0,0,1,1.2.462q2.907,2.914,5.821,5.821c.29.29.586.575.876.864a1.3,1.3,0,0,1,.007,1.946q-3.35,3.342-6.7,6.684a1.349,1.349,0,0,1-1.163.475,1.287,1.287,0,0,1-.763-2.184c.691-.705,1.394-1.4,2.092-2.1l2.562-2.557h-.538q-10.425,0-20.85.009A1.548,1.548,0,0,1,0,141.513Z\" transform=\"translate(0 -133.062)\" fill=\"#fff\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Inizia Ora<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c05486c e-flex e-con-boxed e-con e-parent\" data-id=\"c05486c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-af687da e-flex e-con-boxed e-con e-child\" data-id=\"af687da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c6c05da e-con-full e-flex e-con e-child\" data-id=\"c6c05da\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b38da67 elementor-widget elementor-widget-text-editor\" data-id=\"b38da67\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h1>Caching delle risposte 404: guida strategica per performance, SEO e sicurezza<\/h1>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-416ee05 e-con-full e-flex e-con e-child\" data-id=\"416ee05\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b283dd elementor-widget elementor-widget-image\" data-id=\"0b283dd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.ismartframe.com\/wp-content\/uploads\/elementor\/thumbs\/404-rlr3pg31m6jqg6rw8v7icnjuvqvynjrtbl6i2xof1o.png\" title=\"404\" alt=\"404\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72a3f2c elementor-widget elementor-widget-text-editor\" data-id=\"72a3f2c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Chi naviga sul web lo ha sperimentato: clicca su un link e si ritrova davanti a un messaggio <strong>\u201c404 Not Found\u201d<\/strong>. Questo errore, seppur comune, pu\u00f2 influire negativamente sulla <strong>user experience<\/strong>, sovraccaricare il server e, se non gestito correttamente, incidere sulla SEO.<\/p><p>Ma un errore 404 non \u00e8 per forza un problema: se gestito in modo intelligente attraverso il <strong>caching delle risposte 404<\/strong>, pu\u00f2 diventare uno strumento per <strong>migliorare prestazioni, sicurezza e indicizzazione del sito<\/strong>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7fb0bad e-flex e-con-boxed e-con e-parent\" data-id=\"7fb0bad\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0423497 elementor-widget elementor-widget-heading\" data-id=\"0423497\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cos\u2019\u00e8 il Caching delle Risposte 404<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f9d155 elementor-widget elementor-widget-text-editor\" data-id=\"6f9d155\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Quando un utente o un bot richiede una pagina inesistente, il server restituisce una <strong>risposta HTTP 404<\/strong>. Senza caching, ogni richiesta di questo tipo impegna il server, che deve verificare la risorsa e generare la risposta.<\/p><p>Il caching 404 interviene cos\u00ec:<\/p><ol><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>prima richiesta<\/strong>: il server verifica, non trova la risorsa e restituisce il 404;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>edge caching<\/strong>: una CDN (Content Delivery Network) o un sistema di cache memorizza la risposta per un periodo definito (Time to Live \u2013 TTL);<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>richieste successive<\/strong>: la risposta viene fornita direttamente dalla cache, senza coinvolgere il server origin.<\/li><\/ol><p>Risultato: meno carico sull\u2019infrastruttura, risposta pi\u00f9 rapida all\u2019utente e gestione pi\u00f9 efficiente del traffico.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8336a90 e-flex e-con-boxed e-con e-parent\" data-id=\"8336a90\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d3be01 elementor-widget elementor-widget-heading\" data-id=\"7d3be01\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vantaggi Strategici del Caching 404<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27ba78f elementor-widget elementor-widget-heading\" data-id=\"27ba78f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Riduzione del carico sul server<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2109ad4 elementor-widget elementor-widget-text-editor\" data-id=\"2109ad4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Picchi di traffico generati da link rotti, errori di digitazione o bot malevoli possono saturare il server. Il caching 404 consente di:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">alleggerire l\u2019Origin Server;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">proteggere da attacchi Denial of Service mirati a URL inesistenti;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">mantenere il sito reattivo anche in condizioni critiche.<\/li><\/ul><p>In cosa si traduce questo? Per l&#8217;imprenditore <strong>meno downtime<\/strong> e <strong>maggiore affidabilit\u00e0<\/strong>, per l&#8217;IT Manager <strong>continuit\u00e0 operativa<\/strong> e<strong> risparmio di risorse<\/strong>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dba72ef elementor-widget elementor-widget-heading\" data-id=\"dba72ef\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Miglioramento della User Experience<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd370c1 elementor-widget elementor-widget-text-editor\" data-id=\"cd370c1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Anche una pagina di errore <strong>deve essere veloce<\/strong>. Una risposta 404 cache-izzata:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">riduce i tempi di caricamento;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">limita la frustrazione dell\u2019utente;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">pu\u00f2 includere link di navigazione, una barra di ricerca o delle call to action per trattenere il visitatore.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bb80e6 elementor-widget elementor-widget-heading\" data-id=\"6bb80e6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Benefici SEO e gestione dei Soft 404<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cfdde4 elementor-widget elementor-widget-text-editor\" data-id=\"8cfdde4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>I <strong>Soft 404<\/strong> sono pagine che sembrano valide (status code 200) ma che, di fatto, non hanno contenuto utile. Google raccomanda di restituire un <strong>vero 404<\/strong> per segnalare che la risorsa non esiste pi\u00f9.<\/p><p>Il caching:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">velocizza la comunicazione ai motori di ricerca;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">aiuta a liberare il crawl budget, evitando scansioni inutili;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">mantiene pulito l\u2019indice di Google.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-11ed1e0 e-flex e-con-boxed e-con e-parent\" data-id=\"11ed1e0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-259f24c elementor-widget elementor-widget-heading\" data-id=\"259f24c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quando abilitare il Caching delle 404<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c0202e elementor-widget elementor-widget-text-editor\" data-id=\"2c0202e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il caching delle 404 \u00e8 particolarmente indicato nei seguenti scenari:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>siti con molte pagine rimosse<\/strong> (per esempio, blog e portali di news);<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>e-commerce<\/strong> con prodotti eliminati;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>API pubbliche<\/strong> con possibili richieste errate;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">gestione di<strong> grandi volumi di traffico e bot<\/strong>.<\/li><\/ul><p>I <strong>benefici <\/strong>chiave sono: prestazioni migliorate, costi ridotti di banda e CPU e migliore gestione della SEO.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b89ff06 e-flex e-con-boxed e-con e-parent\" data-id=\"b89ff06\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd608c1 elementor-widget elementor-widget-heading\" data-id=\"bd608c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quando disabilitare il caching delle 404<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34bba4a elementor-widget elementor-widget-text-editor\" data-id=\"34bba4a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Non tutti i 404 vanno cache-izzati. Ci sono casi in cui il caching pu\u00f2 causare problemi.<\/p><ol><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>Risorse che possono tornare online<\/strong><br \/>Esempio: un prodotto \u201cesaurito\u201d che ritorna disponibile.<br \/>Un TTL troppo lungo manterrebbe la pagina inaccessibile.<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>Logiche applicative dinamiche<\/strong><br \/>Alcune applicazioni eseguono processi specifici quando generano un 404 (registrazione su database, suggerimenti personalizzati).<br \/>Con il caching, queste logiche non verrebbero eseguite.<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"ordered\"><strong>Rischio di errore di configurazione<\/strong><br \/>Un problema temporaneo (es. database offline) potrebbe generare un falso 404 che, se cache-izzato, renderebbe la pagina irraggiungibile per tutta la durata del TTL.<\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af233d6 elementor-widget elementor-widget-heading\" data-id=\"af233d6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Considerazioni di sicurezza<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-123044a elementor-widget elementor-widget-text-editor\" data-id=\"123044a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il caching 404 ha anche impatti sulla sicurezza:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>protezione da scanning massivo:<\/strong> la CDN intercetta e blocca richieste malevole;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>riduzione dell\u2019information disclosure:<\/strong> la pagina 404 deve essere generica e non rivelare dettagli tecnici;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>prevenzione cache poisoning: <\/strong>evitare che contenuti non autorizzati vengano salvati nella cache.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-026224a elementor-widget elementor-widget-heading\" data-id=\"026224a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Integrazione con l'infrastruttura esistente<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9356ec3 elementor-widget elementor-widget-text-editor\" data-id=\"9356ec3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un caching efficace delle 404 deve essere implementato a pi\u00f9 livelli:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>CDN<\/strong>: regole di caching personalizzate.<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>Server web<\/strong>: configurazioni tramite Cache-Control.<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>Applicazioni dinamiche<\/strong>: gestione via middleware o logica applicativa.<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\"><strong>Edge caching<\/strong>: consegna rapida da nodi geograficamente vicini agli utenti.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d842be9 elementor-widget elementor-widget-heading\" data-id=\"d842be9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vantaggi e Svantaggi<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-792f26b elementor-widget elementor-widget-text-editor\" data-id=\"792f26b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Tra i principali<strong> vantaggi<\/strong> ci sono:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">prestazioni pi\u00f9 alte;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">riduzione costi server e banda;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">protezione dagli attacchi automatici;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">ottimizzazione SEO.<\/li><\/ul><p>Gli<strong> svantaggi<\/strong>, invece, includono:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">possibile persistenza di errori risolti;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">necessit\u00e0 di invalidare manualmente alcune cache;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">rischio di configurazioni errate.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b703204 elementor-widget elementor-widget-heading\" data-id=\"b703204\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusione<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f192ada elementor-widget elementor-widget-text-editor\" data-id=\"f192ada\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il caching delle risposte 404 non \u00e8 solo una scelta tecnica, ma una <strong>leva strategica<\/strong> per migliorare prestazioni, SEO e sicurezza. Implementarlo correttamente significa:<\/p><ul><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">alleggerire il server;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">velocizzare le risposte;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">comunicare meglio con i motori di ricerca;<\/li><li data-gc-list-depth=\"1\" data-gc-list-style=\"bullet\">proteggere l\u2019infrastruttura da traffico inutile o malevolo.<\/li><\/ul><p>La chiave \u00e8 <strong>equilibrare TTL, esclusioni e monitoraggio<\/strong> per adattare la strategia alle esigenze specifiche del tuo sito.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a9b695b e-flex e-con-boxed e-con e-parent\" data-id=\"a9b695b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3bacc04 e-con-full sidebar-single-post e-flex e-con e-child\" data-id=\"3bacc04\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82f8471 elementor-widget elementor-widget-heading\" data-id=\"82f8471\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Articoli correlati<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d3750c elementor-widget elementor-widget-shortcode\" data-id=\"4d3750c\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\">\r\n<div class=\"elementor-widget-container\">\r\n    <div id=\"news-slider\" class=\"row news-default news-m-zero articoli-magazine\">\r\n\r\n        \r\n        <div class=\"col-xl-4 col-lg-6 col-md-12 col-12 mb-50\">\r\n            <div class=\"blog__item sticky\">\r\n                <div class=\"card-news-style-2\">\r\n                    <div class=\"card-image\">\r\n                        <a href=\"https:\/\/www.ismartframe.com\/it\/magazine\/waf-conforme-a-owasp\/\">\r\n                            <img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-1024x576.png\" class=\"attachment-large size-large wp-post-image\" alt=\"Web Application Firewall conforme a OWASP: la prima linea di difesa per il tuo business digitale\" srcset=\"https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-1024x576.png 1024w, https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-300x169.png 300w, https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-768x432.png 768w, https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-1536x864.png 1536w, https:\/\/www.ismartframe.com\/wp-content\/uploads\/2026\/03\/web-application-firewall-2048x1152.png 2048w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>                        <\/a>\r\n                    <\/div>\r\n                    <div class=\"card-info\">                        \r\n                        <div class=\"card-title\">\r\n                            <a class=\"link-new\" href=\"https:\/\/www.ismartframe.com\/it\/magazine\/waf-conforme-a-owasp\/\">Web Application Firewall conforme a OWASP: la prima linea di difesa per il tuo business digitale<\/a>\r\n                        <\/div>\r\n\r\n                        <div class=\"card-excerpt\">\r\n                            <p>\r\n                            L\u2019adozione di un Web Application Firewall (WAF) conforme agli standard \u00e8 una scelta strategica per proteggere applicazioni e dati. 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Ecco la...                            <\/p>\r\n                        <\/div>\r\n                        <div class=\"card-more\">\r\n                            <a class=\"btn btn-learmore-2\" href=\"https:\/\/www.ismartframe.com\/it\/magazine\/ottimizzazione-delle-immagini\/\">Read More\r\n                                <svg width=\"13\" height=\"13\" viewBox=\"0 0 13 13\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n                                    <g clip-path=\"url(#clip0_599_4830)\">\r\n                                        <path d=\"M10.6537 3.8149L1.71801 12.7506L0.25 11.2826L9.18469 2.3469H1.31V0.270508H12.7301V11.6906H10.6537V3.8149Z\" fill=\"\"><\/path>\r\n                                    <\/g>\r\n                                    <defs>\r\n                                        <clipPath id=\"clip0_599_4830\">\r\n                                            <rect width=\"13\" height=\"13\" fill=\"white\"><\/rect>\r\n                                        <\/clipPath>\r\n                                    <\/defs>\r\n                                <\/svg>\r\n                            <\/a>\r\n                        <\/div>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n        \r\n    <\/div>\r\n<\/div>\r\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3860989 e-flex e-con-boxed e-con e-parent\" data-id=\"3860989\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Il caching delle risposte 404 pu\u00f2 diventare uno strumento per migliorare prestazioni, sicurezza e indicizzazione del sito. Scopri come!<\/p>\n","protected":false},"author":30,"featured_media":29864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[191,259],"tags":[],"class_list":["post-29854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magazine","category-technical-seo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Caching delle risposte 404: una guida strategica | ISmartFrame<\/title>\n<meta name=\"description\" content=\"Il caching delle risposte 404 pu\u00f2 diventare uno strumento per migliorare prestazioni, sicurezza e indicizzazione del sito. 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