Having a high quality backlinks (pr9) from Facebook is a blue signal of your blog SEO.  All you have to know that, Facebook is a no- 1 social media. We all are using it for personal communication as well as professional purposes. However, Facebook's Alexa rank is 2 that means this is a world no-1 popular website. So getting back links from Facebook is most important for every blog or website. Here this post I will go to share with you an important trick, that will be help you to 
your blog better Google ranking

Getting DoFollow Backlinks From Facebook

Before starting this process, you must need to have a fan page. If you do not have any fan page then create a fan page with your blog or website name and details. After that, follow the below steps :-
  1. Log in to Facebook account 
  2. Now click on this link static HTML. After click on this link, you can see a page about static HTML : iframe tabs. 
  3. Click on the Add static HTML to a page. 
    add static HTML to a page
  4. After clicking you can see another page. Now if you have more fan page, then select one of them and click add page Tab button. 
    add page tab
  5. Now you will redirect your fan page and a Tab will open (Welcome). Click on edit Tab. Remove the exiting index.HTML file, and add a new file. Like as 
<a title="check out" href="https://techshoutme.com" target="_blank" rel="dofollow">Techshoutme</a> 

index.html
  6. Now change techshoutme.com with your domain.
  7. Now you're completely done !! you can see preview.   
see preview
Final World
I have tried my best to share this post clearly. Hopefully you can done it properly and easily get a DoFollow backlink from Facebook. This is a simple tips but very important.