Most agencies confuse language with locale, and that mistake kills your search...

https://www.red-bookmarks.win/stop-wasting-budget-on-agencies-that-treat-localization-like-simple

Most agencies confuse language with locale, and that mistake kills your search visibility. You need a partner who validates hreflang tags in Search Console, not just one who translates copy. Always check their GDPR posture before you sign