diff --git a/README.md b/README.md
index 5fcc88d4..b3f1833a 100644
--- a/README.md
+++ b/README.md
@@ -316,6 +316,7 @@ packages:
   its own evaluation mechanism. This still sends messages to parent window.
   Options: `*`, `[webTarget]`. Eg: `?noWebEval=hydra` disables only Hydra.
   `?noWebEval=*` disables all web targets.
+* `hideErrors` (boolean): Do not show errors for web targets (hydra, strudel, etc)
 
 ### Window messages
 
diff --git a/packages/web/src/routes/session.tsx b/packages/web/src/routes/session.tsx
index 665561a5..b487a7ca 100644
--- a/packages/web/src/routes/session.tsx
+++ b/packages/web/src/routes/session.tsx
@@ -79,7 +79,17 @@ export default function SessionPage() {
 
   const hasWebGl = useMemo(() => isWebglSupported(), []);
 
-  const { toast } = useToast();
+  const { toast: _toast } = useToast();
+  const hideErrors = !!query.get("hideErrors");
+
+  // Only call toast if query parameter "hideErrors" is not present
+  const toast = useCallback(
+    (options: Parameters<typeof _toast>[0]) => {
+      if (hideErrors) return;
+      _toast(options);
+    },
+    [_toast, hideErrors]
+  );
 
   const postMessageParentWindow = (message: any) => {
     window.parent.postMessage(message, "*");