By using hreflang tags and unique language targeting.

It can reduce search engine rankings.

Duplicate content occurs when identical content appears across multiple URLs.

A top-level domain is the ending such as .com or .fr.

They inherit authority from the main domain.

They are easier to set up and provide SEO benefits.

Subfolders appear like example.com/fr.

Examples include example.fr or fr.example.com.

No, a custom domain is required.

Basic Shopify plan or higher.