CheckSEO vs Ahrefs
Both sit in SEO & marketing. Here is how they differ on the things you can actually check.
CheckSEO
checkseo.dev
84 free SEO and website tools that run on any URL without an account, covering meta tags and headings, broken links and images, Core Web Vitals, schema, robots.txt and sitemaps, AI crawler access, redirects and SSL, with a fix explained for each issue. A free full audit emails a one-page report. The paid Full Site Report audits up to 100 or 1,000 pages, gives a ready-to-paste fix for each page and one ranked fix plan for the whole site, and is checked by the team before it is emailed within 24 hours.
Ahrefs
ahrefs.com
A very large link index plus keyword, rank-tracking and site-audit tooling. The reference point for backlink data.
| CheckSEO | Ahrefs | |
|---|---|---|
| Entry price | No monthly price | $29/mo |
| Entry plan | — | Starter |
| Paid annually | — | — |
| Price checked | not verified | 5 Oct 2026 |
| Pricing model | Free plan | Free trial |
| Free plan | Yes | No |
| Category | SEO & Marketing | SEO & Marketing |
| Around since | — | 2011 |
Every price here was read from the vendor's own pricing page, most recently on 5 Oct 2026. Entry tier only — vendors change pricing without notice.
CheckSEO vs Ahrefs, answered
- Do CheckSEO or Ahrefs have a free plan?
- CheckSEO publishes an ongoing free plan; Ahrefs does not.
- What is the difference between CheckSEO and Ahrefs?
- CheckSEO: 84 free SEO and website tools that run on any URL without an account, covering meta tags and headings, broken links and images, Core Web Vitals, schema, robots.txt and sitemaps, AI crawler access, redirects and SSL, with a fix explained for each issue. A free full audit emails a one-page report. The paid Full Site Report audits up to 100 or 1,000 pages, gives a ready-to-paste fix for each page and one ranked fix plan for the whole site, and is checked by the team before it is emailed within 24 hours. Ahrefs: A very large link index plus keyword, rank-tracking and site-audit tooling. The reference point for backlink data.
