diff --git a/BuildFeed/BuildFeed.csproj b/BuildFeed/BuildFeed.csproj
index 5ea9c39..72bf702 100644
--- a/BuildFeed/BuildFeed.csproj
+++ b/BuildFeed/BuildFeed.csproj
@@ -192,6 +192,7 @@
     <Compile Include="Code\MvcIntrinsics.cs" />
     <Compile Include="Code\Options\Locale.cs" />
     <Compile Include="Code\Options\Theme.cs" />
+    <Compile Include="Code\OutputCachePushAttribute.cs" />
     <Compile Include="Controllers\ApiController.cs" />
     <Compile Include="Controllers\BaseController.cs" />
     <Compile Include="Controllers\FrontController.cs" />
diff --git a/BuildFeed/Code/OutputCachePushAttribute.cs b/BuildFeed/Code/OutputCachePushAttribute.cs
new file mode 100644
index 0000000..1cd1597
--- /dev/null
+++ b/BuildFeed/Code/OutputCachePushAttribute.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+using BuildFeed.Code.Options;
+
+namespace BuildFeed.Code
+{
+   public class OutputCachePushAttribute: ActionFilterAttribute
+   {
+      public override void OnResultExecuted(ResultExecutedContext filterContext)
+      {
+         bool isRtl = CultureInfo.CurrentUICulture.TextInfo.IsRightToLeft;
+         Theme theme = new Theme(Theme.DetectTheme(filterContext.HttpContext));
+
+         filterContext.HttpContext.Response.PushPromise("/res/css/default.min.css");
+         filterContext.HttpContext.Response.PushPromise(VirtualPathUtility.ToAbsolute(theme.CssPath));
+         if (isRtl)
+         {
+            filterContext.HttpContext.Response.PushPromise("/res/css/rtl.min.css");
+         }
+         filterContext.HttpContext.Response.PushPromise("/res/ts/bfs.min.js");
+      }
+   }
+}
\ No newline at end of file
diff --git a/BuildFeed/Controllers/frontController.cs b/BuildFeed/Controllers/frontController.cs
index 1f4257c..3dd4282 100644
--- a/BuildFeed/Controllers/frontController.cs
+++ b/BuildFeed/Controllers/frontController.cs
@@ -29,7 +29,7 @@ public FrontController()
 
       [Route("", Order = 1)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> Index()
       {
@@ -39,7 +39,7 @@ public async Task<ActionResult> Index()
 
       [Route("page-{page:int:min(1)}/", Order = 0)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> IndexPage(int page)
       {
@@ -59,7 +59,7 @@ public async Task<ActionResult> IndexPage(int page)
       [Route("group/{major}.{minor}.{number}.{revision}/", Order = 1)]
       [Route("group/{major}.{minor}.{number}/", Order = 5)] // for when there is no revision
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewGroup(uint major, uint minor, uint number, uint? revision = null)
       {
@@ -84,7 +84,7 @@ public async Task<ActionResult> ViewGroup(uint major, uint minor, uint number, u
 
       [Route("build/{id:guid}/", Name = "Build")]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewBuild(Guid id)
       {
@@ -184,7 +184,7 @@ public async Task<ActionResult> TwitterCard(long id)
 
       [Route("lab/{lab}/", Order = 1, Name = "Lab Root")]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewLab(string lab)
       {
@@ -193,7 +193,7 @@ public async Task<ActionResult> ViewLab(string lab)
 
       [Route("lab/{lab}/page-{page:int:min(2)}/", Order = 0)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewLabPage(string lab, int page)
       {
@@ -219,7 +219,7 @@ public async Task<ActionResult> ViewLabPage(string lab, int page)
 
       [Route("source/{source}/", Order = 1, Name = "Source Root")]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewSource(TypeOfSource source)
       {
@@ -228,7 +228,7 @@ public async Task<ActionResult> ViewSource(TypeOfSource source)
 
       [Route("source/{source}/page-{page:int:min(2)}/", Order = 0)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewSourcePage(TypeOfSource source, int page)
       {
@@ -254,7 +254,7 @@ public async Task<ActionResult> ViewSourcePage(TypeOfSource source, int page)
 
       [Route("year/{year}/", Order = 1, Name = "Year Root")]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewYear(int year)
       {
@@ -263,7 +263,7 @@ public async Task<ActionResult> ViewYear(int year)
 
       [Route("year/{year}/page-{page:int:min(2)}/", Order = 0)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "page", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewYearPage(int year, int page)
       {
@@ -289,7 +289,7 @@ public async Task<ActionResult> ViewYearPage(int year, int page)
 
       [Route("version/{major}.{minor}/", Order = 1, Name = "Version Root")]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewVersion(uint major, uint minor)
       {
@@ -298,7 +298,7 @@ public async Task<ActionResult> ViewVersion(uint major, uint minor)
 
       [Route("version/{major}.{minor}/page-{page:int:min(2)}/", Order = 0)]
 #if !DEBUG
-      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme")]
+      [OutputCache(Duration = 600, VaryByParam = "none", VaryByCustom = "userName;lang;theme"), OutputCachePush(Order = 2)]
 #endif
       public async Task<ActionResult> ViewVersionPage(uint major, uint minor, int page)
       {