Hreflang tags are an SEO solution to handle websites that have pages available in multiple languages. They tell search engines about the relationship between international versions of a page and can target both the language and the region in the same tag.
As SEOs, we want to ensure that users are seeing results for the most relevant pages, so French-speaking users should see the French language version of a result.
Google’s Hreflang Tag is a snippet of code placed.