app/welcome/page.tsx

@@ -659,6 +659,7 @@ function WelcomeContent() {
                     placeholder="My Website"
                     value={siteName}
                     onChange={(e) => setSiteName(e.target.value)}
+                    maxLength={100}
                     className="w-full"
                   />
                 </div>
@@ -672,6 +673,7 @@ function WelcomeContent() {
                     placeholder="example.com"
                     value={siteDomain}
                     onChange={(e) => setSiteDomain(e.target.value.toLowerCase().trim())}
+                    maxLength={253}
                     className="w-full"
                   />
                   <p className="mt-1 text-sm text-neutral-600 dark:text-neutral-400">