Hreflang

In the online world everyone can look at a website from anywhere. That been said how can website knows from which country we are ? well the beautiful thing about search engine is they understand your language meaning if you type in english it will be more likely to see results in english, spanish for spanish and so on. For website on way to display content differently for people who want to read it in spanish, french, German or other language you can use Hreflang tag. Super techy word. The Hreflang tag is use with HTML to display a page in the language of the users. Usually Hreflang can see from what SERP country people are coming. 

Particularly helpful when a website has multiple version available. The first Parameter indicate the language in ISO 639-1 code. the seconde parameter indicate the country (optional at the format ISO 3166-1 alpha 2)

The Hreflang HTML tag look like this: