What Is Domain Authority?
Domain Authority is a third-party SEO score that estimates how a website may perform in search based largely on its backlink profile. The score helps compare the relative strength of domains, but it is not a Google ranking factor or a direct measure of traffic, leads, trust, or business quality.
Quick Facts About Domain Authority
Category
Third-party SEO metric
Used for
Comparing backlink strength
Common confusion
Not a Google ranking factor
Also called
DA
Often discussed with
Link Building
Key Takeaways About Domain Authority
- Domain Authority comes from third-party SEO platforms.
- Relevant, credible links provide more useful insight than the score alone.
- Domain Authority is not the same as Google ranking position.
How Domain Authority Works
Domain Authority is calculated by an SEO platform from signals linked to a domain's backlink profile. These signals can include the number and quality of referring domains, the relevance of linking websites, and the strength of those websites. Each platform uses its own method, so scores from different providers are not directly interchangeable.
Related glossary terms: Linkable Asset, Anchor Text, Content Gap.
Link building teams use the metric as a comparison aid during prospect research. A relevant trade publication, industry association, or local organisation may offer more useful evidence than a high-scoring site with no connection to the service area. The score can support link decisions, but link relevance, editorial quality, placement, and the referring page's visibility still require human review.
Expert Note
When we plan Link Building work, we review Domain Authority alongside topical relevance, local connection, editorial standards, and the quality of the linking page. We treat the score as a screening signal, then inspect each potential opportunity before recommending it.
Domain Authority in Practice: A Real-World Example
A Brisbane electrician may receive a possible link from a local home improvement publication. We would assess the publication's Domain Authority, relevance to electrical services, audience, and editorial context before deciding whether the link supports the campaign.
Related Services
Related Terms
Linkable Asset
A Linkable Asset is a useful, distinctive resource that other websites choose to reference with a…
Anchor Text
Anchor Text is the visible, clickable wording of a hyperlink. Anchor Text tells users and search…
Content Gap
Content Gap is a missing or underdeveloped topic, question, or service page that searchers need and…
Search Engine Results Page
Search Engine Results Page is the screen a search engine displays after processing a query. A…
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