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

https://zoom-wiki.win/index.php/What_Does_Hreflang_x-default_Actually_Do_on_an_International_Site%3F

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