The hreflang tag allows you to show search engines what the relationship is between web pages in alternate languages. It’s useful when you’ve created content that’s specific to a local audience. The hreflang tag adds a signal to search engines that a user querying in language “x” will want this result instead of a page with similar content in language “y”.
Let’s Go Ahead with an Example:
If you create a Spanish-language version of your English-language homepage, you would tag it as “Español” by using hreflang=“es” so that searchers with an IP address that a search engine has reason to believe is in a Spanish-speaking country are served that page in Spanish instead of the English version. This can decrease your bounce rate and increase your conversions by making sure your target audience lands on the version of your page most appropriate for them.
I can’t help you much in adding this tag to Blogger, Cause I have no experience of Blogspot Blog’s.
I Blog for Living!
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