diff --git a/packages/workshop-app/app/utils/client-hints.tsx b/packages/workshop-app/app/utils/client-hints.tsx
index 3869e229..3ad7445d 100644
--- a/packages/workshop-app/app/utils/client-hints.tsx
+++ b/packages/workshop-app/app/utils/client-hints.tsx
@@ -60,10 +60,30 @@ export function ClientHintCheck() {
 		[revalidate],
 	)
 
+	// Wrap the client hint check script in a try-catch to handle browser extension global variable errors
+	const safeClientHintScript = `
+		try {
+			${hintsUtils.getClientHintCheckScript()}
+		} catch (error) {
+			// Ignore errors from browser extension global variables like __firefox__, window.ethereum, etc.
+			if (error instanceof ReferenceError && (
+				error.message.includes('__firefox__') || 
+				error.message.includes('ethereum') ||
+				error.message.includes('chrome') ||
+				error.message.includes('browser')
+			)) {
+				// Browser extension global not available, continue normally
+				return;
+			}
+			// Re-throw other errors
+			throw error;
+		}
+	`
+
 	return (
 		<script
 			dangerouslySetInnerHTML={{
-				__html: hintsUtils.getClientHintCheckScript(),
+				__html: safeClientHintScript,
 			}}
 		/>
 	)
diff --git a/packages/workshop-app/app/utils/monitoring.client.ts b/packages/workshop-app/app/utils/monitoring.client.ts
index b3ad9362..4cce25d8 100644
--- a/packages/workshop-app/app/utils/monitoring.client.ts
+++ b/packages/workshop-app/app/utils/monitoring.client.ts
@@ -61,6 +61,7 @@ export function init() {
 
 			if (failedToFetch && !ENV.EPICSHOP_DEPLOYED) return null
 
+			// Filter out browser extension related errors
 			if (
 				event.exception?.values?.some((value) =>
 					value.stacktrace?.frames?.some(
@@ -72,6 +73,22 @@ export function init() {
 			) {
 				return null
 			}
+
+			// Filter out ReferenceErrors for browser extension global variables
+			if (
+				event.exception?.values?.some((value) => {
+					const isReferenceError = value.type === 'ReferenceError'
+					const isBrowserExtensionGlobal = 
+						typeof value.value === 'string' && 
+						(value.value.includes('__firefox__') ||
+						 value.value.includes('ethereum') ||
+						 value.value.includes('chrome') ||
+						 value.value.includes('browser'))
+					return isReferenceError && isBrowserExtensionGlobal
+				})
+			) {
+				return null
+			}
 			if (event.request?.url) {
 				const url = new URL(event.request.url)
 				if (