Free Domain Authority Checker – Check Website DA, PA & Backlink Strength
Free DA, PA, and spam score checkerCheck site authority before you optimize
Highlights
What you can do with it
- A site owner sees rankings drop, checks authority and backlinks, and finds poor link quality behind the slide
- An SEO practitioner compares a client site against competitors before proposing a strategy
- An e-commerce merchant checks product page authority and then optimizes content and links
How to use it
- 1 Open the tool page and enter the domain you want to check
- 2 Click Check and wait for the metrics to load
- 3 Read domain authority, page authority, backlinks, referring domains, and spam score
- 4 Compare the numbers over time or against other domains to guide decisions
Who it is for
Pros
- Free checks with no signup wall mentioned in the material
- Draws on several established SEO providers rather than one
- Covers authority, backlinks, spam score, and domain age in one report
- Repeat checks let you track trends instead of single snapshots
Limitations
- Only a limited number of checks is free, and extra checks cost money
- Metrics come from third-party providers, so figures are estimates rather than official search engine data
- It reports numbers but does not tell you which fix to make first
- Free check limits and pricing can change at any time, so verify before you plan a workflow around it
What this Domain Authority Checker is
This Domain Authority Checker is a free online tool from BacklinkUpSEO for looking at website authority, backlink quality, and overall SEO performance. You type in a domain, press the button, and it returns domain authority, page authority, total backlinks, referring domains, and a spam score. The figures are gathered from established providers such as Moz, Ahrefs, and SEMrush, which keeps the numbers broadly recognizable to anyone who has used those platforms. A set number of checks is free, and once you go past that limit you pay for more. The point of the tool is to give site owners, SEO practitioners, and marketers a fast read on how competitive a site looks in search.
What you can do with it
- Check domain authority and page authority for any domain in a few seconds.
- Read a spam score that flags potentially harmful SEO issues before they hurt rankings.
- Compare root domains against subdomains or subfolders, including backlink counts and backlink age.
- Review backlink profile totals, domain age, and SEMrush domain rating, then track how they change over time.
Who it is for
- Website owners who want a quick health read on their own domain.
- SEO practitioners who need competitor and client numbers before building a strategy.
- Marketers and e-commerce merchants deciding where link building effort is worth spending.
What to watch out for
Only a limited number of checks is free, and extra checks cost money, so heavy research gets expensive quickly. The metrics come from third-party providers rather than from search engines themselves, so treat the figures as useful estimates, not official scores. The tool tells you what the numbers are but does not prioritize which problem to fix first, so interpretation still sits with you. Free check limits and pricing can change at any time, so verify current terms before you build a routine around it.
FAQ
Is this checker free?
A set number of checks is free. Once you exceed that limit, additional checks require payment.
Where do the numbers come from?
Metrics are gathered from providers such as Moz, Ahrefs, and SEMrush, so treat them as third-party estimates.
What can I compare?
You can compare root domains against subdomains or subfolders, including authority, backlink counts, and backlink age.
What is a spam score used for?
It flags potentially harmful SEO issues on a domain so you can investigate before rankings suffer.
Why it is free
What the official page says： 免费
Free limits, trial length and features are decided by the official site and can change at any time.
Product preview
Screenshot archived from the listing page, for preview only.
