diff --git a/88-tar1090.conf b/88-tar1090.conf
index 13df0d8..e722787 100644
--- a/88-tar1090.conf
+++ b/88-tar1090.conf
@@ -22,21 +22,31 @@ $HTTP["url"] =~ "^/INSTANCE/chunks/chunk_.*gz$" {
 $HTTP["url"] =~ "^/INSTANCE/chunks/current_.*gz$" {
     setenv.add-response-header += (
         "Access-Control-Allow-Origin" => "*",
-        "Cache-Control" => "must-revalidate",
+        "Cache-Control" => "public, max-age=0",
         "Content-Encoding" => "gzip",
         "Content-Type" => "application/json",
         )
 }
+$HTTP["url"] =~ "^/INSTANCE/chunks/978\.json$" {
+    setenv.add-response-header += (
+        "Cache-Control" => "public, max-age=0",
+        )
+}
+$HTTP["url"] =~ "^/INSTANCE/data/aircraft\.json$" {
+    setenv.add-response-header += (
+        "Cache-Control" => "public, max-age=0",
+        )
+}
+$HTTP["url"] =~ "^/INSTANCE/data/globe_.*\.json$" {
+    setenv.add-response-header += (
+        "Cache-Control" => "public, max-age=0",
+        )
+}
 $HTTP["url"] =~ "^/INSTANCE/data/icao_.*\.json$" {
     setenv.add-response-header += (
         "Cache-Control" => "public, max-age=10",
         )
 }
-$HTTP["url"] =~ "^/INSTANCE/data/globe_.*\.json$" {
-    setenv.add-response-header += (
-        "Cache-Control" => "public, must-revalidate",
-        )
-}
 $HTTP["url"] =~ "^/INSTANCE/db/.*\.json$" {
     setenv.add-response-header += (
         "Cache-Control" => "public, max-age=1209600",
@@ -67,8 +77,3 @@ $HTTP["url"] =~ "^/INSTANCE/.*\.css$" {
         "Cache-Control" => "public, max-age=1209600",
         )
 }
-
-# Add CORS header
-$HTTP["url"] =~ "^/INSTANCE/data/.*\.json$" {
-  setenv.add-response-header += ( "Access-Control-Allow-Origin" => "*" )
-}
diff --git a/html/planeObject.js b/html/planeObject.js
index 89385dd..6040d92 100644
--- a/html/planeObject.js
+++ b/html/planeObject.js
@@ -115,7 +115,7 @@ function PlaneObject(icao) {
             features: this.trail_features,
         }),
         renderOrder: null,
-        declutter: true,
+        //declutter: true,
     });
 
     trailGroup.push(this.layer);
@@ -779,7 +779,6 @@ PlaneObject.prototype.processTrace = function(data) {
 
         this.updateTrack(_now, _last);
         _last = _now;
-        //console.log(this.position);
     }
 
     for (var i = 0; i < this.trace.length; i++) {
@@ -814,6 +813,7 @@ PlaneObject.prototype.processTrace = function(data) {
     }
 
 
+    console.log(this.history_size);
     this.remakeTrail();
 }
 
diff --git a/html/script.js b/html/script.js
index dc9b1e5..2583c20 100644
--- a/html/script.js
+++ b/html/script.js
@@ -305,7 +305,6 @@ function fetchData() {
     if (enable_uat) {
         FetchPendingUAT = $.ajax({ url: 'chunks/978.json',
             timeout: 7000,
-            cache: false,
             dataType: 'json' });
 
         FetchPendingUAT.done(function(data) {
@@ -357,7 +356,6 @@ function fetchData() {
         //console.log(ac_url[i]);
         var req = $.ajax({ url: ac_url[i],
             timeout: 8000,
-            cache: globeIndex,
             dataType: 'json' });
         FetchPending.push(req);
 
@@ -2823,7 +2821,6 @@ function fetchPfData() {
     for (const i in pf_data) {
         const req = $.ajax({ url: pf_data[i],
             timeout: 20000,
-            cache: false,
             dataType: 'json' });
         $.when(req).done(function(data) {
             for (const i in PlanesOrdered) {
diff --git a/install.sh b/install.sh
index 64753dc..ddeac51 100755
--- a/install.sh
+++ b/install.sh
@@ -264,6 +264,13 @@ if [[ $nginx == yes ]]; then
 	for service in $services; do
 		echo "include /usr/local/share/tar1090/nginx-$service.conf;"
 	done
+    if [[ "$1" == "test" ]]
+    then
+        if [ -d /run/readsb ]; then
+            sed -i -e 's/dump1090-fa/readsb/g' /usr/local/share/tar1090/nginx_webroot.conf
+        fi
+        systemctl restart nginx
+    fi
 fi
 
 echo --------------
@@ -279,3 +286,4 @@ elif [[ $nginx == yes ]]; then
 else
 	echo "All done! You'll need to configure your webserver yourself, see /usr/local/share/tar1090/nginx-tar1090.conf for a reference nginx configuration"
 fi
+
diff --git a/nginx.conf b/nginx.conf
index 91b82aa..6b24679 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -1,11 +1,14 @@
 # nginx configuration for tar1090
 location /INSTANCE/data/ {
   alias SOURCE_DIR/;
+  location ~ aircraft\.json$ {
+    add_header Cache-Control "public, max-age=0";
+  }
   location ~ icao_.*\.json$ {
     add_header Cache-Control "public, max-age=10";
   }
   location ~ globe_.*\.json$ {
-    add_header Cache-Control "public, must-revalidate";
+    add_header Cache-Control "public, max-age=0";
   }
 }
 
@@ -21,6 +24,9 @@ location /INSTANCE/chunks/ {
     add_header Content-Type "application/json";
     add_header Content-Encoding "gzip";
   }
+  location ~ .*\.json$ {
+    add_header Cache-Control "public, max-age=0";
+  }
 }
 
 location /INSTANCE {
diff --git a/nginx_webroot.conf b/nginx_webroot.conf
index 2bf3112..8c134a0 100644
--- a/nginx_webroot.conf
+++ b/nginx_webroot.conf
@@ -1,10 +1,14 @@
+# nginx configuration for tar1090 for access via /
 location /data/ {
   alias /run/dump1090-fa/;
+  location ~ aircraft\.json$ {
+    add_header Cache-Control "public, max-age=0";
+  }
   location ~ icao_.*\.json$ {
     add_header Cache-Control "public, max-age=10";
   }
   location ~ globe_.*\.json$ {
-    add_header Cache-Control "public, must-revalidate";
+    add_header Cache-Control "public, max-age=0";
   }
 }
 
@@ -20,6 +24,9 @@ location /chunks/ {
     add_header Content-Type "application/json";
     add_header Content-Encoding "gzip";
   }
+  location ~ .*\.json$ {
+    add_header Cache-Control "public, max-age=0";
+  }
 }
 
 location / {