Check any domain’s authority score instantly. No signup required.
A domain rating checker is an SEO tool that instantly reveals any website’s Ahrefs Domain Rating (DR) — a score from 0 to 100 measuring backlink profile strength. Our free tool uses the official Ahrefs public API to return real, live data for any domain with no signup, no daily limits and no cost ever.
Domain Rating measures how strong your website’s backlink profile is relative to all other sites in Ahrefs’ index of 500 million+ domains. It reflects the quantity and quality of websites linking to you — not your content quality, traffic or Google rankings.
SEO professionals checking competitor authority. Bloggers evaluating guest post targets. Agency teams tracking client link-building progress. Site owners benchmarking against niche competitors before a content strategy.
Ahrefs charges $129/month for full access. Our free domain rating checker uses their public API to give you real DR data at zero cost, with no account required and truly unlimited checks — not a 10-per-day capped freebie.
Ahrefs crawls the web continuously and updates DR scores roughly every 24–72 hours as new backlinks are discovered or lost. Check the same domain a week apart and you may see movement — especially for actively link-building sites.
Important context: Domain Rating is NOT a Google ranking factor. It is a third-party metric created by Ahrefs to estimate backlink profile strength. However, the underlying factor it measures — a strong, diverse backlink profile — is one of Google’s most important signals. Sites with higher DR tend to rank better not because of the score itself, but because they have the real backlink strength the score reflects.
No extensions, no account, no API key. The entire process takes under 10 seconds and works for any domain on the internet.
Type any domain into the checker input. Works with any format — example.com, www.example.com, or https://example.com. The tool strips everything and queries the root domain automatically.
The tool queries the official Ahrefs public API in real time. Results typically appear in under 2 seconds. No rate limiting — check as many domains as you need back to back.
Your DR score appears with a color-coded authority label and visual progress bar. Use the scale guide to understand where the domain sits relative to the 0–100 range.
Check competitor domains to understand your gap. Use our Trendly Keyword Checker alongside DR data to find low-competition keywords where top-ranking sites have a DR close to yours — those are your best ranking opportunities right now.
Pro tip for keyword research: Check every domain currently ranking in positions 1–10 for your target keyword. If the average DR of the top 10 results is under 30, your site can realistically compete — even at DR 0–5 with good content. This is the fastest way to find genuinely winnable keywords without paying for premium SEO tools.
When you check a domain, the score returned by Ahrefs is calculated using four interconnected factors. Understanding this helps you build DR more efficiently — not just collect more backlinks.
The number of different websites sending at least one dofollow backlink to your domain. One domain counts once no matter how many pages link to you — diversity is what matters, not volume from one source.
A single link from a DR 80 site contributes more to your score than 50 links from DR 10 sites. The algorithm weights link quality heavily — one editorial mention in a major publication moves your DR more than dozens of directory listings.
A DR 70 site that links to 5,000 domains passes less DR per link than one linking to 50 domains. The authority each site has is divided across all its outbound links — so a focused linker is worth more than a link-farm-style directory.
DR 0→10 requires far fewer links than DR 50→60. Each point at the top of the scale requires exponentially more backlink strength. This is why DR 90+ sites like Wikipedia are almost unreachable — the gap between 85 and 90 represents thousands of high-authority links.
Several different companies publish domain authority scores. They all measure backlink strength but use different crawlers, different algorithms, and produce different numbers for the same site. Here is exactly how they compare.
| Metric | Creator | Scale | What It Measures | Free Checker |
|---|---|---|---|---|
| Domain Rating (DR) ⭐ | Ahrefs | 0–100 | Backlink profile strength across entire domain | ✅ This tool — unlimited |
| URL Rating (UR) | Ahrefs | 0–100 | Backlink strength of a single specific page | ❌ Paid Ahrefs only |
| Domain Authority (DA) | Moz | 0–100 | Predicted ranking ability based on links | ⚠️ 10 checks/month free |
| Authority Score (AS) | SEMrush | 0–100 | Domain health — links + traffic + spam signals | ⚠️ Limited free checks |
| Trust Flow (TF) | Majestic | 0–100 | Link quality — how close links are to trusted seeds | ⚠️ Limited free checks |
| Domain Rank | Ahrefs | Position # | Rank position among all sites by DR globally | ❌ Paid Ahrefs only |
Which one to use? Domain Rating (DR) from Ahrefs is the industry standard used by most SEO professionals and agencies. It has the largest backlink index, updates most frequently, and is widely referenced in SEO content and tooling. When in doubt, use DR — which is what this free checker provides.
DR and UR are both Ahrefs metrics measuring backlink strength — but at completely different levels. Confusing them leads to wrong SEO decisions. Here is a clear breakdown.
When UR matters more than DR: If you see a low-DR site outranking you for a specific keyword, check their URL Rating for that specific page. They may have concentrated backlinks directly to that article — giving it a high UR even on a low-DR domain. In that case, building links directly to your own competing page (not just your homepage) is the fix.
There is no universal “good” DR. What matters is your DR relative to the sites ranking for your target keywords. Use this checker to look up your competitors — then target a DR within 10 points of their average to be competitive.
For detailed DR benchmarks by site age, niche and content type — read our complete guide: What Is a Good Domain Rating for a New Website?
After using the domain rating checker to establish your baseline, these are the most effective methods for improving your DR. Focus on referring domain diversity — not raw backlink count from the same few sites.
Free tools attract natural backlinks passively. Our own Keyword Density Checker earns links without any outreach because it is genuinely useful to writers and SEO people who then reference it.
Build tools that solve a real problem for your target audience. A single well-built free tool can earn more links in a year than a dozen guest posts.
Use this free DR checker to vet guest post targets. Aim for sites with a DR 20–30 points higher than yours in your specific niche. Even one accepted guest post on a DR 40 site can move a new domain from DR 0 to DR 6 in one Ahrefs update cycle.
Check the host site’s DR before pitching — don’t waste outreach effort on sites with DR under 10.
Original research, surveys and proprietary data attract links from journalists and industry publications. A single placement in a DR 80+ news outlet can move your domain rating more than 20 guest posts combined.
Use Trendly to find trending topics before creating data content — early movers get the most citations.
Find broken outbound links on websites in your niche, create content that replaces the dead resource, then reach out to offer your replacement. This approach converts at a higher rate than cold guest post pitches because you are solving a real problem for the site owner.
Focus on pages linking to dead competitors — your replacement gets full DR authority passed through.
Product Hunt (DR 90+), GitHub, G2, Capterra and niche-specific aggregator sites are quick wins for early DR growth. A single listing on a high-DR directory provides an immediate measurable movement — especially for new domains starting at DR 0.
Chrome Web Store listings (DR 92) are particularly valuable — each published extension creates a backlink. We used this strategy for our own Keyword Density Checker extension.
Use this DR checker to identify your top 3 competitors, then find sites linking to them but not you. Every shared linking domain becomes an outreach target — you know they link to similar content, so your pitch conversion rate is far higher than cold outreach.
This is the systematic approach agencies charge thousands for — and it starts with a free DR check.
Start link building at DR 0: You can and should start immediately regardless of your current score. Site owners accept guest posts and link requests based on content quality — not your DR. Use this free domain rating checker monthly to track movement and double down on whatever strategy is moving the needle fastest for your specific niche.
Master every aspect of Ahrefs Domain Rating with our complete guide series — from what a good score looks like to why it drops and how to build it efficiently.