What are best ways of getting a real backlinks to your site?

Hi Friends,
Smart Ways to Earn or Build Backlinks to Your Website

1. The broken-link building method
2. Backlinks through infographics
3. The advantage of guest articles
4. Spy on your competitors.
5. Build internal links.
6. Promote your content.
7. Write testimonials.
8. Contact journalists and important bloggers.
9. Donate.
10. Get interviewed.

The best ways to get a real backlink to your site are following
a) Get backlink from out-reach mails
b) Promote your content
c) Build your internal links