diff --git a/MMM-CombinedMap.js b/MMM-CombinedMap.js
index ffe52a5..0261697 100644
--- a/MMM-CombinedMap.js
+++ b/MMM-CombinedMap.js
@@ -30,13 +30,16 @@ Module.register("MMM-CombinedMap", {
     radarOpacity: 0.7,
     trafficOpacity: 0.7,
     
-    // Radar frames
-    historyFrames: 12,        // 1 hour of history (5 min intervals)
-    forecastFrames: 24,       // 2 hours of forecast
+    // Radar frames (reduced to limit API load)
+    historyFrames: 6,         // 30 min of history (5 min intervals)
+    forecastFrames: 12,       // 1 hour of forecast
     extraDelayLastFrame: 2000, // Extra delay on last frame
     
     // Update interval (ms) - how often to refresh radar data
-    updateInterval: 5 * 60 * 1000,  // 5 minutes
+    updateInterval: 10 * 60 * 1000,  // 10 minutes
+    
+    // Startup delay to avoid hammering API on restarts
+    startupDelay: 5000,  // 5 seconds
   },
 
   getStyles: function() {
@@ -121,9 +124,9 @@ Module.register("MMM-CombinedMap", {
       this.addTrafficLayer();
     }
     
-    // Radar layer (DWD)
+    // Radar layer (DWD) - delayed start to avoid API hammering
     if (this.config.showRadar) {
-      this.fetchRadarCapabilities();
+      setTimeout(() => this.fetchRadarCapabilities(), this.config.startupDelay);
     }
     
     // Marker
@@ -435,11 +438,11 @@ Module.register("MMM-CombinedMap", {
     // Labels for start/end
     const startLabel = document.createElement("div");
     startLabel.className = "timeline-label timeline-start";
-    startLabel.textContent = "-1h";
+    startLabel.textContent = "-30m";
     
     const endLabel = document.createElement("div");
     endLabel.className = "timeline-label timeline-end";
-    endLabel.textContent = "+2h";
+    endLabel.textContent = "+1h";
     
     track.appendChild(past);
     track.appendChild(future);