diff --git a/scripts/build_html.py b/scripts/build_html.py
index 248aba84..b144d5dc 100644
--- a/scripts/build_html.py
+++ b/scripts/build_html.py
@@ -1,5 +1,6 @@
 import os
 import re
+import gzip
 
 SRC_DIR = "src"
 
@@ -40,12 +41,34 @@ for root, _, files in os.walk(SRC_DIR):
 
             # minified = regex.sub("\g<1>", html_content)
             minified = minify_html(html_content)
+
+            # Compress with gzip (compresslevel 9 is maximum compression)
+            # IMPORTANT: we don't use brotli because Firefox doesn't support brotli with insecured context (only supported on HTTPS)
+            compressed = gzip.compress(minified.encode('utf-8'), compresslevel=9)
+
             base_name = f"{os.path.splitext(file)[0]}Html"
             header_path = os.path.join(root, f"{base_name}.generated.h")
 
             with open(header_path, "w", encoding="utf-8") as h:
                 h.write(f"// THIS FILE IS AUTOGENERATED, DO NOT EDIT MANUALLY\n\n")
                 h.write(f"#pragma once\n")
-                h.write(f'constexpr char {base_name}[] PROGMEM = R"rawliteral({minified})rawliteral";\n')
+                h.write(f"#include <cstddef>\n\n")
+
+                # Write the compressed data as a byte array
+                h.write(f"constexpr char {base_name}[] PROGMEM = {{\n")
+
+                # Write bytes in rows of 16
+                for i in range(0, len(compressed), 16):
+                    chunk = compressed[i:i+16]
+                    hex_values = ', '.join(f'0x{b:02x}' for b in chunk)
+                    h.write(f"  {hex_values},\n")
+
+                h.write(f"}};\n\n")
+                h.write(f"constexpr size_t {base_name}CompressedSize = {len(compressed)};\n")
+                h.write(f"constexpr size_t {base_name}OriginalSize = {len(minified)};\n")
 
             print(f"Generated: {header_path}")
+            print(f"  Original: {len(html_content)} bytes")
+            print(f"  Minified: {len(minified)} bytes ({100*len(minified)/len(html_content):.1f}%)")
+            print(f"  Compressed: {len(compressed)} bytes ({100*len(compressed)/len(html_content):.1f}%)")
+
diff --git a/src/network/CrossPointWebServer.cpp b/src/network/CrossPointWebServer.cpp
index 3fd3ff87..91f1fd51 100644
--- a/src/network/CrossPointWebServer.cpp
+++ b/src/network/CrossPointWebServer.cpp
@@ -293,8 +293,13 @@ CrossPointWebServer::WsUploadStatus CrossPointWebServer::getWsUploadStatus() con
   return status;
 }
 
+static void sendHtmlContent(WebServer* server, const char* data, size_t len) {
+  server->sendHeader("Content-Encoding", "gzip");
+  server->send_P(200, "text/html", data, len);
+}
+
 void CrossPointWebServer::handleRoot() const {
-  server->send(200, "text/html", HomePageHtml);
+  sendHtmlContent(server.get(), HomePageHtml, sizeof(HomePageHtml));
   LOG_DBG("WEB", "Served root page");
 }
 
@@ -385,7 +390,9 @@ bool CrossPointWebServer::isEpubFile(const String& filename) const {
   return lower.endsWith(".epub");
 }
 
-void CrossPointWebServer::handleFileList() const { server->send(200, "text/html", FilesPageHtml); }
+void CrossPointWebServer::handleFileList() const {
+  sendHtmlContent(server.get(), FilesPageHtml, sizeof(FilesPageHtml));
+}
 
 void CrossPointWebServer::handleFileListData() const {
   // Get current path from query string (default to root)
@@ -989,7 +996,7 @@ void CrossPointWebServer::handleDelete() const {
 }
 
 void CrossPointWebServer::handleSettingsPage() const {
-  server->send(200, "text/html", SettingsPageHtml);
+  sendHtmlContent(server.get(), SettingsPageHtml, sizeof(SettingsPageHtml));
   LOG_DBG("WEB", "Served settings page");
 }