A security incident forced us to restore from a backup taken on 28 August. Orders and payments made in roughly the 24 hours before the restore may not appear in your account yet. We are recovering them.
Contact support if an order or payment of yours is missing.
As a precaution, you will be asked to choose a new password the next time you sign in.
When I think of on-page technical SEO I always think of tags and markups, stuff like title tag; meta description; h1; h2; h3; hreflang, canonicall and the "alt" attribute on images. These things haven't changed much over...