免费域名权威检查工具（2026）：测试过的 8 款最佳 DA 工具
在 2026年测试所有免费域名权威检查工具。大多数都充斥广告、反应慢，或限制您每天只检查3次。这里是那个真正有效的工具——以及一个免费的可嵌入 DA 徽章。
What is Domain Authority and why does it matter in 2026?
Domain Authority (DA) is Moz's signature SEO metric — a 0-100 score predicting how well a domain will rank in Google. Despite Moz repeatedly insisting it's not a Google ranking factor, the entire SEO industry uses DA as the de-facto authority signal because it correlates strongly with actual SERP performance and it's the only public score advertisers, link-buyers and PR teams universally recognize.
In 2026, knowing the DA of your site (and your competitors') matters more than ever because:
- Many guest-post sites and outreach lists filter prospects by DA
- Link marketplaces often price links by the seller's DA
- Some affiliate and partnership programs set a minimum DA
- PR and outreach teams often use DA as a quick first screen
The problem with every "free DA checker" online
Here's how the common free DA checkers compare:
- Smallseotools.com — limited free checks on a heavily ad-supported page
- Prepostseo.com — pop-ups and captchas around the result
- SiteChecker.pro — limited free use, then upsells
- Ahrefs Website Authority Checker — Free but registration-walled, only shows DR (Ahrefs's own metric, not Moz's DA)
- Moz Link Explorer free tier — Best raw data but requires a Moz account + only 10 queries/month
- Ubersuggest — a few free queries, then a paid plan
None of them offer a free embeddable DA badge. So even after you check your DA, you can't display it on your site.
How FeedPulse's free DA checker is different
We built a free Domain Authority checker with three properties no competitor has:
- No captcha, no email gate — two checks per IP per day, and that ceiling exists to protect the shared API quota, not to sell you an upgrade
- Moz data while the free allowance lasts — straight from Moz's official Links API, and a clearly labelled OpenPageRank-derived estimate once that monthly allowance is spent
- Free embeddable DA badge — paste one line of HTML and you have a live DA badge on your site, ten themes to choose from
There is no Pro tier. There is no signup. There are no ads.
Step-by-step: check any domain's DA in 10 seconds
- Open the DA Checker tool
- Paste any URL (with or without https://, with or without www.)
- Watch the score render
- (Optional) Pick a theme + size and copy the embed code for a permanent DA badge on your site
That's it. No "creating an account so we can email you discounts forever".
Real-world DA benchmarks (2026)
To help you calibrate where your site sits:
| Range | What it means | Examples |
|---|---|---|
| 90-100 | Web giants | google.com (94), youtube.com (98), wikipedia.org (95) |
| 70-89 | Major publishers | nytimes.com (86), techcrunch.com (74) |
| 50-69 | Established brand sites | most niche-leader blogs |
| 30-49 | Active growing sites | most indie SaaS, mid-tier blogs |
| 10-29 | New sites with some backlinks | most personal sites |
| 0-9 | Brand-new domains | fresh registrations |
Why isn't your DA rising (and the 3 fixes that actually work)?
If your DA is stuck, it's almost always one of three things:
- You have backlinks, but they're from low-DA domains — Moz weighs each backlink by the source's own DA. A handful of links from strong, relevant sites usually counts for more than a pile of links from weak ones.
- You haven't earned enough referring domains yet — Check the Trust Score tool for a composite 0-100 signal built from traffic rank, domain age, HTTPS and the four Lighthouse scores.
- You haven't been around long enough — Domain age is a quiet but real factor. Check yours at /domain-age.
Related free SEO tools
- How to check Domain Authority — what the score means and the four things it can't tell you
- Moz DA checker, free — what Moz's free tiers actually cover
- Domain Rating Checker — Ahrefs's DR equivalent, also free
- FeedPulse Rank — the open Alexa rank replacement
- Backlinks counter — count + display your inbound links
- AI SEO content audit — GPT-5.2 audit of any URL