diff --git a/frontend/src/ts/controllers/input-controller.ts b/frontend/src/ts/controllers/input-controller.ts
index e9ee27534..91c5042ef 100644
--- a/frontend/src/ts/controllers/input-controller.ts
+++ b/frontend/src/ts/controllers/input-controller.ts
@@ -834,6 +834,7 @@ $(document).keydown(async (event) => {
   }
   TestInput.recordKeypressSpacing();
   TestInput.setKeypressDuration(performance.now());
+  TestInput.recordKeydownTime(event.code);
   TestInput.setKeypressNotAfk();
 
   //blocking firefox from going back in history with backspace
@@ -963,6 +964,7 @@ $("#wordsInput").keyup((event) => {
     );
     TestInput.pushKeypressDuration(diff);
   }
+  TestInput.recordKeyupTime(event.code);
   TestInput.setKeypressDuration(now);
   Monkey.stop();
 });
diff --git a/frontend/src/ts/test/test-input.ts b/frontend/src/ts/test/test-input.ts
index b7cfdc2c0..abcb20805 100644
--- a/frontend/src/ts/test/test-input.ts
+++ b/frontend/src/ts/test/test-input.ts
@@ -1,5 +1,5 @@
 import * as TestWords from "./test-words";
-import { roundTo2 } from "../utils/misc";
+import { roundTo2, stdDev, mean } from "../utils/misc";
 
 interface Keypress {
   count: number;
@@ -227,7 +227,14 @@ export function setKeypressTimingsTooLong(): void {
   keypressTimings.duration.array = "toolong";
 }
 
+const keysObj: Record<string, number> = {};
+
+let t1 = 0;
+let d1 = 0;
+
 export function pushKeypressDuration(val: number): void {
+  t1 += val;
+  d1++;
   (keypressTimings.duration.array as number[]).push(roundTo2(val));
 }
 
@@ -235,6 +242,37 @@ export function setKeypressDuration(val: number): void {
   keypressTimings.duration.current = roundTo2(val);
 }
 
+let t2 = 0;
+let d2 = 0;
+const a: number[] = [];
+
+export function recordKeyupTime(key: string): void {
+  const now = performance.now();
+  const diff = Math.abs(keysObj[key] - now);
+
+  t2 += diff;
+  d2++;
+  a.push(roundTo2(diff));
+}
+
+export function recordKeydownTime(key: string): void {
+  keysObj[key] = performance.now();
+}
+
+export function logOldAndNew(): void {
+  if (!spacingDebug) return;
+  console.log(
+    "old",
+    t1,
+    d1,
+    t1 / d1,
+    keypressTimings.duration.array,
+    stdDev(keypressTimings.duration.array as number[]),
+    mean(keypressTimings.duration.array as number[])
+  );
+  console.log("new", t2, d2, t2 / d2, a, stdDev(a), mean(a));
+}
+
 function pushKeypressSpacing(val: number): void {
   (keypressTimings.spacing.array as number[]).push(roundTo2(val));
 }
diff --git a/frontend/src/ts/test/test-logic.ts b/frontend/src/ts/test/test-logic.ts
index bd829011b..94c7ae3f3 100644
--- a/frontend/src/ts/test/test-logic.ts
+++ b/frontend/src/ts/test/test-logic.ts
@@ -1390,6 +1390,8 @@ function buildCompletedEvent(difficultyFailed: boolean): CompletedEvent {
     afkDuration: undefined,
   };
 
+  TestInput.logOldAndNew();
+
   // stats
   const stats = TestStats.calculateStats();
   if (stats.time % 1 != 0 && Config.mode !== "time") {