From afe8defa4c3e637e53a44b032612a308e5da3681 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Mon, 12 Dec 2016 00:09:27 +0100
Subject: [PATCH] Added Last-Modified header to static contents

---
 code/src/web.ino | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/code/src/web.ino b/code/src/web.ino
index 43caeced..5645a24b 100644
--- a/code/src/web.ino
+++ b/code/src/web.ino
@@ -499,8 +499,10 @@ void webSetup() {
     server.on("/api/relay", HTTP_GET, _onRelay);
 
     // Serve static files
-    server.serveStatic("/", SPIFFS, "/");
-
+    char lastModified[50];
+    sprintf(lastModified, "%s %s GMT", __DATE__, __TIME__);
+    server.serveStatic("/", SPIFFS, "/").setLastModified(lastModified);
+    
     // 404
     server.onNotFound([](AsyncWebServerRequest *request){
         request->send(404);