To increase your Domain Authority (DA), focus on creating high-quality content that attracts backlinks from reputable sites, optimize your on-page SEO, and ensure a great user experience with a fast, mobile-friendly design. Engage actively on social media to boost visibility, fix technical SEO issues regularly, and use internal linking to connect your content effectively. Consistently applying these strategies will gradually improve your DA. I own the website https://dogfoodhouse.com and will implement this strategy now my current DA is 20 after 6 months.