For Langify V1

langify adds hreflang tags as soon as you separate your languages by (sub)domains as described in this guide: Enabling the domain feature.

For Langify V2

In the new version, the hreflang tags are managed by Shopify itself. If you still have the code from v1 in the theme, you have to delete it or ask the support at


Please make sure to validate your hreflang tags here.

This is how it should look like: