Expanding into Europe is a headache when your traffic tanks because Google...

https://elevatedigital.hk/blog/challenges-of-running-successful-seo-campaigns-in-the-european-market-4565

Expanding into Europe is a headache when your traffic tanks because Google can’t map your locales. If you’re tired of seeing "hrelang mismatch" errors across your subdirectories, it’s time to fix your architecture