Searchlab How Domain Authority Actually Affects Your Rankings
Domain Authority is a predictive score (0 to 100) for how well a domain is likely to rank. Higher DA usually means stronger backlink profile, older domain, better content reputation. Compare your DA to competitors before you commit to a keyword.
What the score is built from
- Linking root domains, how many unique sites link to yours.
- Quality of those domains, one link from BBC counts more than 100 from random blogs.
- Trust signals, age, HTTPS, no spam-style behaviour, stable hosting.
- Comparative position, the score is calibrated against the rest of the web, so improvements get harder as you climb.
Use cases
- Competitor benchmarking. If your DA is 25 and competitors ranking for your target keyword all have DA 60+, pick easier keywords first.
- Outreach prioritisation. When asking for backlinks, target sites with DA above yours. A link from a DA 45 site to your DA 20 site is worth multiple links from DA 15 sites.
- Tracking growth. Check monthly. Steady upward movement (1 to 3 points per quarter on a young site) means your link-building is working.
Compare two domains in our tool to see who has the edge. Useful before a backlink outreach campaign, before pitching a partnership, or before committing to compete for a keyword.
Frequently asked
Is DA the same as PageRank?
No, but they're related concepts. PageRank is Google's internal score (no longer public). DA is a third-party estimate. Movement in one usually mirrors the other.
Can my DA go down?
Yes. Common reasons: losing high-quality backlinks, gaining lots of low-quality ones, or the algorithm being recalibrated (Moz updates DA quarterly).
Should I obsess over DA?
No. Treat it as one signal among many. Real-world rankings, organic traffic, and conversions matter far more than a third-party score.