diff --git a/app/layout.tsx b/app/layout.tsx
index 7256fb488..6dc05ea08 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,4 +1,5 @@
 import Navbar from 'components/layout/navbar';
+import { ensureStartsWith } from 'lib/utils';
 import { Inter } from 'next/font/google';
 import { ReactNode, Suspense } from 'react';
 import './globals.css';
@@ -7,6 +8,8 @@ const { TWITTER_CREATOR, TWITTER_SITE, SITE_NAME } = process.env;
 const baseUrl = process.env.NEXT_PUBLIC_VERCEL_URL
   ? `https://${process.env.NEXT_PUBLIC_VERCEL_URL}`
   : 'http://localhost:3000';
+const twitterCreator = TWITTER_CREATOR ? ensureStartsWith(TWITTER_CREATOR, '@') : undefined;
+const twitterSite = TWITTER_SITE ? ensureStartsWith(TWITTER_SITE, 'https://') : undefined;
 
 export const metadata = {
   metadataBase: new URL(baseUrl),
@@ -18,12 +21,12 @@ export const metadata = {
     follow: true,
     index: true
   },
-  ...(TWITTER_CREATOR &&
-    TWITTER_SITE && {
+  ...(twitterCreator &&
+    twitterSite && {
       twitter: {
         card: 'summary_large_image',
-        creator: TWITTER_CREATOR,
-        site: TWITTER_SITE
+        creator: twitterCreator,
+        site: twitterSite
       }
     })
 };
diff --git a/components/layout/navbar/index.tsx b/components/layout/navbar/index.tsx
index d618cc5de..2685ab798 100644
--- a/components/layout/navbar/index.tsx
+++ b/components/layout/navbar/index.tsx
@@ -18,11 +18,7 @@ export default async function Navbar() {
       </div>
       <div className="flex w-full items-center">
         <div className="flex w-full md:w-4/6">
-          <Link
-            href="/"
-            aria-label="Go back home"
-            className="mr-2 flex w-full items-center justify-center md:w-auto lg:mr-6"
-          >
+          <Link href="/" className="mr-2 flex w-full items-center justify-center md:w-auto lg:mr-6">
             <LogoSquare />
           </Link>
           {menu.length ? (
diff --git a/lib/shopware/helpers.ts b/lib/shopware/helpers.ts
index 38ea90fb4..ae0dd90c2 100644
--- a/lib/shopware/helpers.ts
+++ b/lib/shopware/helpers.ts
@@ -1,3 +1,5 @@
+import { ensureStartsWith } from 'lib/utils';
+
 export function getAccessToken(): string {
   return `${process.env.SHOPWARE_ACCESS_TOKEN}`;
 }
@@ -6,10 +8,10 @@ export function getStoreDomainWithApiType(): string {
   return getStoreDomain() + '/' + getApiType();
 }
 
-export function getStoreDomain(protocol: boolean = true): string {
-  return protocol
-    ? `https://${process.env.SHOPWARE_STORE_DOMAIN!}`
-    : `${process.env.SHOPWARE_STORE_DOMAIN!}`;
+export function getStoreDomain(): string {
+  return process.env.SHOPWARE_STORE_DOMAIN
+    ? ensureStartsWith(process.env.SHOPWARE_STORE_DOMAIN, 'https://')
+    : '';
 }
 
 export function getApiType(): 'store-api' | 'admin-api' {
diff --git a/lib/utils.ts b/lib/utils.ts
index 3fa32280b..02ff6fe1b 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -6,3 +6,6 @@ export const createUrl = (pathname: string, params: URLSearchParams | ReadonlyUR
 
   return `${pathname}${queryString}`;
 };
+
+export const ensureStartsWith = (stringToCheck: string, startsWith: string) =>
+  stringToCheck.startsWith(startsWith) ? stringToCheck : `${startsWith}${stringToCheck}`;