diff --git a/tdkpin-rs/web/storage.js b/tdkpin-rs/web/storage.js
index 3e6e9b2..2dc6468 100644
--- a/tdkpin-rs/web/storage.js
+++ b/tdkpin-rs/web/storage.js
@@ -5,6 +5,8 @@
   const encoder = new TextEncoder();
   const decoder = new TextDecoder();
   const highScoreApi = "api/highscores";
+  const highScoreRetryInitialDelayMs = 250;
+  const highScoreRetryMaxDelayMs = 30_000;
   let lastRevision = 0;
   let lastHighScoreRevision = 0;
   let highScoreRequestInFlight = false;