Expanding into Europe is a headache when your traffic tanks during a migration....

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 during a migration. I see it all the time: botched hreflang setups killing your rankings. Stop the bleeding by implementing a robust x-default strategy to guide Google across locales