For the beginner blogger, certainly unfamiliar with the term of the hreflang tag. The author originally also confused when viewed in Google Webmaster on the menu International Targeting the words "Your site has no tags hreflang", then I find out what it is and what the benefits hreflang tag. As it turned out, the benefits are useful in SEO. Some say, for example, we make the article "how to make a baby smile" then abroad there be a "how to make a baby smile," it was definitely beneficial to the blogger. There is more to say that if your content is content "duplicate accidentally" then the content will still appear on Google. Whether it's true or not, just try it.
To install it please refer to the following procedure:
- Go to blogger.com and select the blog!
- Go to the menu template! Then go to edit html!
- Find <head>!
- Copy the code <link expr: href = 'data: blog.url' hreflang = 'x-default' rel = 'alternate' /> and paste the code below the <head>
If not successful, perhaps the placement of the code is incorrect or outdated ways. good luck