Can I edit or add Hreflang Tags?
Translate My Store app does not add hreflang tags. The hreflang tags are added automatically to your website by Shopify once a new language is added to your store.
Here's some more information regarding this:
In cases where you'd like to modify the hreflang tags, it would be highly suggested to reach out to Shopify Support about this as they are automatically adding this on the website once a new language is added.
If you have any questions, please feel free to email us at help@hextom.com.