One of the biggest problems of most bloggers is how to get free dofollow backlinks from dofollow high PageRank websites. The simple reason is that backlinks still remains one of the top ranking factors according to Google.
That’s why most bloggers do crazy things today to get these backlinks. However, one of the simplest ways is to drop reasonable comments on dofollow commentluv enabled blogs in your niche.
I know, with a little bit of effort, you can still get on Google page even without a single backlink to your article. I have written on 4 ways to rank on Google page #1 without backlinks. I recommend you check that post out.