diff --git a/web/hwlab-cloud-web/src/utils/rum.ts b/web/hwlab-cloud-web/src/utils/rum.ts
index bbdbc3e6..8523e2ef 100644
--- a/web/hwlab-cloud-web/src/utils/rum.ts
+++ b/web/hwlab-cloud-web/src/utils/rum.ts
@@ -37,6 +37,7 @@ export function installWebRum(): void {
 
 export function recordApiTiming(input: ApiTimingInput): void {
   if (typeof window === "undefined") return;
+  if (isWorkbenchPageRoute()) return;
   const valueMs = Math.max(0, Date.now() - input.startedAt);
   enqueue({
     kind: "api",
@@ -118,6 +119,11 @@ function pageRoute(): string {
   return `${window.location.pathname}${window.location.hash || ""}` || "/";
 }
 
+function isWorkbenchPageRoute(): boolean {
+  const pathname = window.location.pathname || "";
+  return pathname.startsWith("/workbench") || pathname.startsWith("/workspace");
+}
+
 function statusClass(status?: number): string {
   if (!status || !Number.isFinite(status)) return "network";
   return `${Math.floor(status / 100)}xx`;