diff --git a/static/lib/main.js b/static/lib/main.js
index 87bba63..53d76cc 100644
--- a/static/lib/main.js
+++ b/static/lib/main.js
@@ -7,33 +7,78 @@ $(window).on('action:ajaxify.end', function(ev) {
     // eg.: var nsfwCategoriesIds = [28,29,30];
 
     if( $.inArray( parseInt(ajaxify.data.cid, 10) , nsfwCategoriesIds) != -1){
-		// Blur category content when entering on the specified category above
-        $('#content').css({
-            filter: 'blur(10px)'
-        });
-
-        bootbox.confirm({
-            title: "Are you sure you want to continue?",
-            message: "This section contains <b>material that may be offensive to most sensitive people</b> and is not suitable to be seen in public places.",
-            buttons: {
-                cancel: {
-                    label: '<i class="fa fa-times-circle"></i> Cancel'                
-                },
-                confirm: {
-                    label: '<i class="fa fa-arrow-circle-right"></i> Enter',
-                    className: 'btn-danger'
-                }
-            }, callback: function(answer) {
-                if (!answer) {
-					// Redirects the user to the main page when click on 'Cancel'
-                    window.location = '/';
-                } else {
-					// Disable blur when click on 'Enter'
-                    $('#content').css({
-                        filter: 'none'
-                    });
-                }
+
+        if (typeof(Storage) !== "undefined") {
+
+            // If 'sessionStorage.clickcount' is set to 1, the plugin will not ask again, since in this session the user has already agreed to see NSFW categories
+            // If 'sessionStorage.clickcount' is not set or if it is different from 1, the confirm will appear and ask for the user choice
+            if (sessionStorage.clickcount != 1) {
+
+                // Blur category content when entering on any of the NSFW categories above
+                $('#content').css({
+                    filter: 'blur(10px)'
+                });
+
+                bootbox.confirm({
+                    title: "Are you sure you want to continue?",
+                    message: "This section contains <b>material that may be offensive to most sensitive people</b> and is not suitable to be seen in public places.",
+                    buttons: {
+                        cancel: {
+                            label: '<i class="fa fa-times-circle"></i> Cancel'                
+                        },
+                        confirm: {
+                            label: '<i class="fa fa-arrow-circle-right"></i> Enter',
+                            className: 'btn-danger'
+                        }
+                    }, callback: function(answer) {
+                        if (!answer) {
+                            // Redirects the user to the main page when click on 'Cancel'
+                            window.location = '/';
+                        } else {
+                            // Disable blur when click on 'Enter'
+                            $('#content').css({
+                                filter: 'none'
+                            });
+
+                            // Keep the user choice memorized in the session storage until all forum browser tabs are closed
+                            sessionStorage.clickcount = 1;
+                        }
+                    }
+                });
+
             }
-        });
+
+        }
+        // If browser does not support web storage, the plugin can not memorize the decision and it will always ask for the user choice
+        else {
+
+            $('#content').css({
+                filter: 'blur(10px)'
+            });
+
+            bootbox.confirm({
+                title: "Are you sure you want to continue?",
+                message: "This section contains <b>material that may be offensive to most sensitive people</b> and is not suitable to be seen in public places.",
+                buttons: {
+                    cancel: {
+                        label: '<i class="fa fa-times-circle"></i> Cancel'                
+                    },
+                    confirm: {
+                        label: '<i class="fa fa-arrow-circle-right"></i> Enter',
+                        className: 'btn-danger'
+                    }
+                }, callback: function(answer) {
+                    if (!answer) {
+                        window.location = '/';
+                    } else {
+                        $('#content').css({
+                            filter: 'none'
+                        });
+                    }
+                }
+            });
+
+        }
+
     }
 });
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