diff --git a/src/Elastic.CommonSchema.NLog/EcsLayout.cs b/src/Elastic.CommonSchema.NLog/EcsLayout.cs
index d37cf4b7..509c397f 100644
--- a/src/Elastic.CommonSchema.NLog/EcsLayout.cs
+++ b/src/Elastic.CommonSchema.NLog/EcsLayout.cs
@@ -33,7 +33,6 @@ public class EcsLayout : Layout
 	{
 		/// <summary> An NLOG layout implementation that renders logs as ECS json</summary>
 		public const string Name = nameof(EcsLayout);
-		private static bool? _nlogApmLoaded;
 		private static Agent _defaultAgent;
 		private Agent _previousAgent;
 		private Service _previousService;
@@ -41,13 +40,6 @@ public class EcsLayout : Layout
 		private Server _previousServer;
 		private Process _previousProcess;
 
-		private static bool NLogApmLoaded()
-		{
-			if (_nlogApmLoaded.HasValue) return _nlogApmLoaded.Value;
-			_nlogApmLoaded = Type.GetType("Elastic.Apm.NLog.ApmTraceIdLayoutRenderer, Elastic.Apm.NLog") != null;
-			return _nlogApmLoaded.Value;
-		}
-
 		private readonly Layout _disableThreadAgnostic = "${threadid:cached=true}";
 
 		/// <summary> An NLOG layout implementation that renders logs as ECS json</summary>
@@ -76,7 +68,7 @@ public EcsLayout()
 			_defaultAgent = EcsDocument.CreateAgent(typeof(EcsLayout));
 
 			// These values are set by the Elastic.Apm.NLog package
-			if (NLogApmLoaded())
+			if (NLogApmLoaded.Value)
 			{
 				ApmTraceId = "${ElasticApmTraceId}";
 				ApmTransactionId = "${ElasticApmTransactionId}";
@@ -96,7 +88,7 @@ protected override void InitializeLayout()
 		{
 			if (CanIncludeAspNetProperties())
 			{
-				if (NLogWeb5Registered())
+				if (NLogWeb5Registered.Value)
 					EventDurationMs = "${aspnet-request-duration}";
 
 				HttpRequestId = "${aspnet-TraceIdentifier}";
@@ -112,18 +104,26 @@ protected override void InitializeLayout()
 				UrlQuery = "${aspnet-request-url:IncludeScheme=false:IncludeHost=false:IncludePath=false:IncludeQueryString=true}";
 				UrlUserName = "${aspnet-user-identity}";
 
-				if (!NLogApmLoaded())
+				if (!NLogApmLoaded.Value)
 					ApmTraceId = "${scopeproperty:item=RequestId:whenEmpty=${aspnet-TraceIdentifier}}";
 			}
 
 			base.InitializeLayout();
 		}
 
-		private static bool NLogWeb5Registered() =>
-			ConfigurationItemFactory.Default.LayoutRenderers.TryGetDefinition("aspnet-request-duration", out _);
+		private static Lazy<bool> NLogApmLoaded { get; } = new Lazy<bool>(() => Type.GetType("Elastic.Apm.NLog.ApmTraceIdLayoutRenderer, Elastic.Apm.NLog") != null);
+
+#if NETFRAMEWORK
+		private static Lazy<bool> NLogWeb4Registered { get; } = new Lazy<bool>(() => Type.GetType("NLog.Web.LayoutRenderers.AspNetRequestCookieLayoutRenderer, NLog.Web") != null);
+#else
+		private static Lazy<bool> NLogWeb4Registered { get; } = new Lazy<bool>(() => Type.GetType("NLog.Web.LayoutRenderers.AspNetRequestCookieLayoutRenderer, NLog.Web.AspNetCore") != null);
+#endif
 
-		private static bool NLogWeb4Registered() =>
-			ConfigurationItemFactory.Default.LayoutRenderers.TryGetDefinition("aspnet-request-url", out _);
+#if NETFRAMEWORK
+		private static Lazy<bool> NLogWeb5Registered { get; } = new Lazy<bool>(() => Type.GetType("NLog.Web.LayoutRenderers.AspNetRequestDurationLayoutRenderer, NLog.Web") != null);
+#else
+		private static Lazy<bool> NLogWeb5Registered { get; } = new Lazy<bool>(() => Type.GetType("NLog.Web.LayoutRenderers.AspNetRequestDurationLayoutRenderer, NLog.Web.AspNetCore") != null);
+#endif
 
 		/// <summary></summary>
 		// ReSharper disable UnusedMember.Global
@@ -216,7 +216,7 @@ private static bool NLogWeb4Registered() =>
 		/// <summary>
 		/// Tests if aspnet properties would be rendered
 		/// </summary>
-		public bool CanIncludeAspNetProperties() => IncludeAspNetProperties && NLogWeb4Registered();
+		public bool CanIncludeAspNetProperties() => IncludeAspNetProperties && NLogWeb4Registered.Value;
 
 		/// <summary></summary>
 		[ArrayParameter(typeof(TargetPropertyWithContext), "label")]