diff --git a/frontend/src/app/pages/home/home.ts b/frontend/src/app/pages/home/home.ts
index 5da75c5..0af7996 100644
--- a/frontend/src/app/pages/home/home.ts
+++ b/frontend/src/app/pages/home/home.ts
@@ -61,13 +61,13 @@ export class Home implements OnInit, OnDestroy {
 
   // Propriétés pour les filtres
   searchText = '';
-  selectedWhatFilter = 'culture';
+  selectedWhatFilter = '';
   availableWhatTypes: string[] = [];
   theme = signal<string | null>(null);
   subthemes: Array<{ key: string, label: string, emoji: string }> = [];
   activeSubtheme = signal<string | null>(null);
   // Option bbox
-  useBboxFilter = false;
+  useBboxFilter = true;
   currentBbox: { minLng: number, minLat: number, maxLng: number, maxLat: number } | null = null;
   // Debounce pour la recherche
   private searchDebounceTimer: any = null;
@@ -130,7 +130,7 @@ export class Home implements OnInit, OnDestroy {
     };
     if (overrides.what) {
       params.what = overrides.what;
-    } else if (this.selectedWhatFilter) {
+    } else if (this.selectedWhatFilter && this.selectedWhatFilter !== '') {
       params.what = this.selectedWhatFilter;
     }
 
@@ -207,6 +207,11 @@ export class Home implements OnInit, OnDestroy {
       this.theme.set(t || null);
       this.buildSubthemes();
     });
+    
+    // Ajouter les catégories principales
+    whatTypes.add('culture');
+    whatTypes.add('traffic');
+    
     this.availableWhatTypes = Array.from(whatTypes).sort();
   }
 
@@ -244,9 +249,15 @@ export class Home implements OnInit, OnDestroy {
 
     // Filtre par type d'événement
     if (this.selectedWhatFilter) {
-      filtered = filtered.filter(feature =>
-        feature?.properties?.what === this.selectedWhatFilter
-      );
+      filtered = filtered.filter(feature => {
+        const what = feature?.properties?.what || '';
+        // Si c'est une catégorie (culture, traffic), filtrer par préfixe
+        if (this.selectedWhatFilter === 'culture' || this.selectedWhatFilter === 'traffic') {
+          return what.startsWith(this.selectedWhatFilter + '.');
+        }
+        // Sinon, correspondance exacte
+        return what === this.selectedWhatFilter;
+      });
     }
 
     this.filteredFeatures = filtered;
diff --git a/oedb/resources/demo.py b/oedb/resources/demo.py
index bce150a..a9280b0 100644
--- a/oedb/resources/demo.py
+++ b/oedb/resources/demo.py
@@ -126,7 +126,7 @@ class DemoResource:
             
             # Fetch events from the API
             try:
-                response = requests.get('/event?limit=1000')
+                response = requests.get('/event?limit=5000')
                 if response.status_code == 200 and response.text:
                     events_data = response.json()
                 else:
diff --git a/oedb/resources/demo/templates/by_what.html b/oedb/resources/demo/templates/by_what.html
index 420acfc..99f220b 100644
--- a/oedb/resources/demo/templates/by_what.html
+++ b/oedb/resources/demo/templates/by_what.html
@@ -10,6 +10,11 @@
         color: #666;
         font-size: 0.9em;
     }
+    .event-details {
+        color: #888;
+        font-style: italic;
+        margin-left: 5px;
+    }
 </style>
 {% endblock %}
 
@@ -39,7 +44,14 @@
         <ul>
             {% for event in events_by_what[what_type]|sort(attribute='label') %}
                 <li>
-                    <a href="/event/{{ event.id }}">{{ event.label or 'Unnamed Event' }}</a>
+                    {% set event_name = event.name or event.title or event.short_description or event.label or 'Unnamed Event' %}
+                    <a href="/event/{{ event.id }}">{{ event_name }}</a>
+                    {% if event.label and event.label != event_name %}
+                        <small class="event-details">({{ event.label }})</small>
+                    {% endif %}
+                    {% if event.short_description and event.short_description != event_name and event.short_description != event.label %}
+                        <small class="event-details">- {{ event.short_description }}</small>
+                    {% endif %}
                     <small>
                         [<a href="https://www.openstreetmap.org/?mlat={{ event.coordinates[1] }}&mlon={{ event.coordinates[0] }}&zoom=15">map</a>]
                     </small>
diff --git a/oedb/resources/demo/templates/event_details.html b/oedb/resources/demo/templates/event_details.html
index 58157d9..8f2b60f 100644
--- a/oedb/resources/demo/templates/event_details.html
+++ b/oedb/resources/demo/templates/event_details.html
@@ -1,6 +1,6 @@
 {% extends "layout.html" %}
 
-{% block title %}Événement {{ properties.label|default(id) }} - OpenEventDatabase{% endblock %}
+{% block title %}Événement {{ properties.name or properties.title or properties.short_description or properties.label or id }} - OpenEventDatabase{% endblock %}
 
 {% block css %}
 <style>
@@ -126,7 +126,14 @@
 
 {% block header %}
 <div class="event-header">
-    <h1 class="event-title">{{ properties.label|default('Événement sans titre') }}</h1>
+    {% set event_title = properties.name or properties.title or properties.short_description or properties.label or 'Événement sans titre' %}
+    <h1 class="event-title">{{ event_title }}</h1>
+    {% if properties.label and properties.label != event_title %}
+        <p class="event-subtitle">{{ properties.label }}</p>
+    {% endif %}
+    {% if properties.short_description and properties.short_description != event_title and properties.short_description != properties.label %}
+        <p class="event-subtitle">{{ properties.short_description }}</p>
+    {% endif %}
     <p class="event-subtitle">ID: {{ id }}</p>
     <div class="nav-links">
         <a href="/demo"><i class="fas fa-home"></i> Accueil</a>
diff --git a/oedb/resources/demo/templates/map_by_what_type.html b/oedb/resources/demo/templates/map_by_what_type.html
index a4f0c0b..a2448e4 100644
--- a/oedb/resources/demo/templates/map_by_what_type.html
+++ b/oedb/resources/demo/templates/map_by_what_type.html
@@ -440,7 +440,7 @@
                     </td>
                     <td>
                         <div class="event-title">
-                            <a href="/demo/by_id/${props.id}">${props.label || 'Événement sans titre'}</a>
+                            <a href="/demo/by_id/${props.id}">${props.name || props.title || props.short_description || props.label || 'Événement sans titre'}</a>
                         </div>
                     </td>
                     <td>
diff --git a/oedb/resources/demo/templates/view_events.html b/oedb/resources/demo/templates/view_events.html
index 8079595..23a0447 100644
--- a/oedb/resources/demo/templates/view_events.html
+++ b/oedb/resources/demo/templates/view_events.html
@@ -136,7 +136,7 @@
                 // Get event properties
                 const properties = event.properties;
                 const coordinates = event.geometry.coordinates;
-                const label = properties.label || 'Unnamed Event';
+                const label = properties.name || properties.title || properties.short_description || properties.label || 'Unnamed Event';
                 const what = properties.what || 'unknown';
                 const timestamp = event.timestamp ? new Date(event.timestamp) : new Date();
                 const formattedDate = timestamp.toLocaleString();
diff --git a/oedb/resources/quality_assurance.py b/oedb/resources/quality_assurance.py
index 117b1cf..ad40f86 100644
--- a/oedb/resources/quality_assurance.py
+++ b/oedb/resources/quality_assurance.py
@@ -352,7 +352,7 @@ class QualityAssuranceResource(BaseEvent):
         # Add events
         for event in problematic_events:
             properties = event.get('properties', {})
-            event_title = properties.get('label', properties.get('name', f'Événement #{event["id"]}'))
+            event_title = properties.get('name') or properties.get('title') or properties.get('short_description') or properties.get('label') or f'Événement #{event["id"]}'
             event_what = properties.get('what', 'Non spécifié')
 
             # Get severity classes for the card