To the rank of your site or blog, must needed Off page optimization as well.
There have couple of method to increase SERP against your site.
Backlink/Linkbuilding is the effective way to make it run to the search engine like google.
The low strategy or low quality backlink like--- Comment backlink / profile backlink / PBN web 2.0
are less effective from High SEO Strategy like -- Guest Posting, Blog Posting, Blogger outreach etc.
I am offering a great Guest Posting Services
Publish Four(04) guest posts on High Authority Educational Blogs with High DA/PA
4 Guest post with Dofollow Backlink on EDU Blog
4 EDU Blogs Checklist: