This document provides 5 ways to increase domain authority and ranking through link building:
1. Get links from authoritative websites by guest blogging, digital PR, and collaborating with influencers on content.
2. Create high-quality, original content like research, opinions, and analyses that attract links naturally.
3. Do something press-worthy to get mentioned in the news, which can lead to links.
4. Reclaim links by contacting sites that mentioned your site but didn't link to it.
5. Swap links and mentions with related sites through directories, sponsorships, and industry connections. Building relationships is key to successful link building.