diff --git a/Core/Settings.cs b/Core/Settings.cs
index 32f03b0..5dc4315 100644
--- a/Core/Settings.cs
+++ b/Core/Settings.cs
@@ -1163,6 +1163,20 @@ namespace ScrewTurn.Wiki {
 			}
 		}
 
+		/// <summary>
+		/// Gets or sets the last page indexing.
+		/// </summary>
+		/// <value>The last page indexing DateTime.</value>
+		public static DateTime LastPageIndexing {
+			get {
+				return DateTime.ParseExact(GetString(Provider.GetSetting("LastPageIndexing"), DateTime.Now.AddYears(-10).ToString("yyyyMMddHHmmss")),
+					"yyyyMMddHHmmss", System.Globalization.CultureInfo.InvariantCulture);
+			}
+			set {
+				Provider.SetSetting("LastPageIndexing", value.ToString("yyyyMMddHHmmss"));
+			}
+		}
+
 		#endregion
 
 		/// <summary>
diff --git a/Core/StartupTools.cs b/Core/StartupTools.cs
index 14fc1bd..6b57ba4 100644
--- a/Core/StartupTools.cs
+++ b/Core/StartupTools.cs
@@ -189,6 +189,25 @@ namespace ScrewTurn.Wiki {
 			if(Pages.FindPage(Settings.DefaultPage) == null) CreateMainPage();
 
 			Log.LogEntry("ScrewTurn Wiki is ready", EntryType.General, Log.SystemUsername);
+
+			System.Threading.ThreadPool.QueueUserWorkItem(ignored => {
+				if((DateTime.Now - Settings.LastPageIndexing).TotalDays > 7) {
+					Settings.LastPageIndexing = DateTime.Now;
+					System.Threading.Thread.Sleep(10000);
+					using(MemoryStream ms = new MemoryStream()) {
+						using(StreamWriter wr = new System.IO.StreamWriter(ms)) {
+							System.Web.HttpContext.Current = new System.Web.HttpContext(new System.Web.Hosting.SimpleWorkerRequest("", "", wr));
+							foreach(var provider in Collectors.PagesProviderCollector.AllProviders) {
+								if(!provider.ReadOnly) {
+									Log.LogEntry("Starting automatic rebuilding index for provider: " + provider.Information.Name, EntryType.General, Log.SystemUsername);
+									provider.RebuildIndex();
+									Log.LogEntry("Finished automatic rebuilding index for provider: " + provider.Information.Name, EntryType.General, Log.SystemUsername);
+								}
+							}
+						}
+					}
+				}
+			});
 		}
 
 		/// <summary>
diff --git a/PluginFramework/ContextInformation.cs b/PluginFramework/ContextInformation.cs
index a11aae7..5f563a0 100644
--- a/PluginFramework/ContextInformation.cs
+++ b/PluginFramework/ContextInformation.cs
@@ -80,6 +80,7 @@ namespace ScrewTurn.Wiki.PluginFramework {
 		/// <summary>
 		/// Gets the current HTTP Context object.
 		/// </summary>
+		/// <remarks>The context might not be valid when doing an index rebuild (see <see cref="ForIndexing"/>).</remarks>
 		public HttpContext HttpContext {
 			get { return httpContext; }
 		}