Using the X-Default Hreflang Tag For Multinational SEO: Default Language Opportunities
Google & Yandex announced the new x-default hreflang tag earlier this month, and in doing so closed the final gap in executing 'perfect' SEO platforms for multinational brands. There is, however, the question of what language content to use as your default, and how you can bring a little quantifiable information to play to determine your best, overall, choice.