diff --git a/src/server.cpp b/src/server.cpp
index 6495611..0efe556 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -45,9 +45,9 @@ void server_loop() {
 void web_index() {
   server.setContentLength(CONTENT_LENGTH_UNKNOWN);
   server.send(200, "text/html", "");
-  server.sendContent(R"(<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />)");
+  server.sendContent(R"(<meta http-equiv="Cache-Control" content="store, no-cache, must-revalidate, post-check=0, pre-check=0" />)");
   server.sendContent(R"(<meta http-equiv="Pragma" content="no-cache" />)");
-  server.sendContent(R"(<meta http-equiv="Expires" content="0" />)");
+  server.sendContent(R"(<meta http-equiv="Expires" content="Sun, 1 Jan 1999 00:00:00 GMT" />)");
 
   server.sendContent(R"(<a href="/mode?mode=0">NONE</a><br>)");
   server.sendContent(R"(<a href="/mode?mode=1">BORDER</a><br>)");