Website Authority Checker
Enter any domain and get an instant 0–100 authority score (powered by Open PageRank) — free, no sign-up.
Tip: paste a bare domain like example.com — no need for https:// or paths.
Powered by Open PageRank (DomCop).
This is an Open PageRank authority score, an independent open-data alternative — not Moz's proprietary Domain Authority (DA).
How to check a website's authority
The Website Authority Checker is a free tool that gives any domain an instant 0–100 authority score based on Open PageRank — no sign-up required. Use it to size up a site, compare competitors, or track your own progress over time.
- Type or paste a domain into the box above (e.g. example.com).
- Click Check authority (or press Enter).
- Read the 0–100 score, grade and Open PageRank value.
- Compare it against competitors or re-check over time to track growth.
Frequently asked questions
How do I check a website's domain authority for free?
Enter the domain above and click Check; you get an instant 0–100 authority score with no sign-up.
What is a good domain authority score?
Higher is better. New sites often sit below 20; 40+ is solid and 70+ is strong. Use it to compare sites and track progress over time.
How is this authority score calculated?
It's based on Open PageRank (by DomCop), an open authority metric built on Common Crawl web-graph data. It is not Moz's proprietary Domain Authority — it's an independent, free alternative.