SaaS link building
Domain Rating (DR): Definition, Calculation, and SaaS Benchmarks
Domain Rating (DR) is Ahrefs’ proprietary metric scoring a website’s backlink authority on a 0-100 logarithmic scale. For SaaS SEO, DR is the most commonly used proxy for competitive ranking ability — though it is not itself a Google ranking factor.
What it means
Ahrefs calculates DR based on the quality and quantity of referring domains pointing to your site, weighted by the DR of those referring domains. The scale is logarithmic: moving from DR40 to DR50 requires substantially more authority than moving from DR20 to DR30.
DR is one of several authority proxies (DA from Moz, AS from Semrush). They all attempt to model what Google’s ranking systems do internally but none is the actual signal Google uses. They are useful as relative benchmarks and trend indicators.
How it works
Ahrefs crawls the web continuously, recording new and removed backlinks. They model authority transfer through the link graph, similar in concept to original PageRank but updated for modern web realities. DR updates roughly every 1-2 weeks based on new crawl data.
Two things to know: DR is sensitive to losing high-DR backlinks (a single DR90 source dropping can drop your DR by 1-2 points), and DR can be manipulated short-term by low-quality link schemes — though those manipulations don’t translate to actual ranking improvements.
Why it matters for SaaS
For SaaS SEO competitive analysis, DR is the single most useful first-pass benchmark. If your DR is 35 and the average top-10 result for your priority commercial term is DR75, you’re structurally not going to rank there in year one. The DR gap tells you how much authority work is required before head-term competition is realistic.
Stage benchmarks: Series A SaaS typically DR30-50, Series B DR50-65, Series C+ DR65+. Category-defining SaaS at scale (Stripe, HubSpot, Salesforce) operate in DR85-92 range.
How to evaluate or use it
Track DR monthly via Ahrefs Site Explorer. Compare to your top 5 ranking competitors. Use it as a trend indicator (is the authority program working) and as a competitive gap measure (how much catch-up is required).
Do not optimize for DR directly. DR is the output of doing the right authority work. Programs that optimize for DR as a vanity metric often resort to low-quality tactics that hurt actual rankings while making the score look better.
Related terms
Learn more
See the SaaS SEO metrics framework for how DR fits alongside other authority signals, or run an audit via the SaaS SEO audit checklist.
Frequently asked questions
Is Domain Rating a Google ranking factor?
No. DR is Ahrefs’ proprietary metric and is not directly used by Google. It correlates with ranking ability because both DR and rankings depend on the same underlying authority signals, but DR itself is a third-party score.
What’s a good Domain Rating for SaaS?
It depends on stage and category. Series A SaaS in less competitive categories can compete at DR35-45; Series C SaaS in competitive categories typically need DR65+.