diff --git a/lib/SvelteUi/include/AmsWebHeaders.h b/lib/SvelteUi/include/AmsWebHeaders.h
index f7d9f60f..d254ebb0 100644
--- a/lib/SvelteUi/include/AmsWebHeaders.h
+++ b/lib/SvelteUi/include/AmsWebHeaders.h
@@ -1,10 +1,12 @@
 static const char HEADER_CACHE_CONTROL[] PROGMEM = "Cache-Control";
+static const char HEADER_CONTENT_ENCODING[] PROGMEM = "Content-Encoding";
 static const char HEADER_PRAGMA[] PROGMEM = "Pragma";
 static const char HEADER_EXPIRES[] PROGMEM = "Expires";
 static const char HEADER_AUTHENTICATE[] PROGMEM = "WWW-Authenticate";
 static const char HEADER_LOCATION[] PROGMEM = "Location";
 
 static const char CACHE_CONTROL_NO_CACHE[] PROGMEM = "no-cache, no-store, must-revalidate";
+static const char CONTENT_ENCODING_GZIP[] PROGMEM = "gzip";
 static const char CACHE_1HR[] PROGMEM = "public, max-age=3600";
 static const char CACHE_1MO[] PROGMEM = "public, max-age=2592000";
 static const char PRAGMA_NO_CACHE[] PROGMEM = "no-cache";
diff --git a/lib/SvelteUi/scripts/generate_includes.py b/lib/SvelteUi/scripts/generate_includes.py
index 0b75a3ce..f74c62bd 100644
--- a/lib/SvelteUi/scripts/generate_includes.py
+++ b/lib/SvelteUi/scripts/generate_includes.py
@@ -2,6 +2,7 @@ import os
 import re
 import shutil
 import subprocess
+import gzip
 
 try:
     from css_html_js_minify import html_minify, js_minify, css_minify
@@ -65,16 +66,24 @@ for webroot in ["lib/SvelteUi/app/dist", "lib/SvelteUi/json"]:
                 content = js_minify(content)
         except:
             print("WARN: Unable to minify")
-
+        
+        content_bytes = content.encode("utf-8")
+        if filename in ["index.js", "index.css"]:
+            content_bytes = gzip.compress(content_bytes, compresslevel=9)
+            content_len = len(content_bytes)
+        else:
+            content_len = len(content_bytes)
+            content_bytes += b"\0"
+        
         with open(dstfile, "w") as dst:
             dst.write("static const char ")
             dst.write(varname)
-            dst.write("[] PROGMEM = R\"==\"==(")
-            dst.write(content)
-            dst.write(")==\"==\";\n")
+            dst.write("[] PROGMEM = {")
+            dst.write(", ".join([str(c) for c in content_bytes]))
+            dst.write("};\n")
             dst.write("const int ");
             dst.write(varname)
             dst.write("_LEN PROGMEM = ");
-            dst.write(str(len(content)))
+            dst.write(str(content_len))
             dst.write(";");
             
\ No newline at end of file
diff --git a/lib/SvelteUi/src/AmsWebServer.cpp b/lib/SvelteUi/src/AmsWebServer.cpp
index a3754653..d043ec2d 100644
--- a/lib/SvelteUi/src/AmsWebServer.cpp
+++ b/lib/SvelteUi/src/AmsWebServer.cpp
@@ -765,8 +765,8 @@ void AmsWebServer::indexCss() {
 		return;
 
 	server.sendHeader(HEADER_CACHE_CONTROL, CACHE_1MO);
-	server.setContentLength(INDEX_CSS_LEN);
-	server.send_P(200, MIME_CSS, INDEX_CSS);
+	server.sendHeader(HEADER_CONTENT_ENCODING, CONTENT_ENCODING_GZIP);
+	server.send_P(200, MIME_CSS, INDEX_CSS, INDEX_CSS_LEN);
 }
 
 void AmsWebServer::indexJs() {
@@ -776,7 +776,8 @@ void AmsWebServer::indexJs() {
 		return;
 
 	server.sendHeader(HEADER_CACHE_CONTROL, CACHE_1MO);
-	server.send_P(200, MIME_JS, INDEX_JS);
+	server.sendHeader(HEADER_CONTENT_ENCODING, CONTENT_ENCODING_GZIP);
+	server.send_P(200, MIME_JS, INDEX_JS, INDEX_JS_LEN);
 }
 
 void AmsWebServer::configurationJson() {