Screaming Frog SEO Spider
8.6#5 in seo toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitScreaming Frog SEO Spider vs Website Grader
Website Grader
5.9#28 in seo audit softwareFree planFree planWeb
VisitWhat both publish
| Fact | Screaming Frog SEO Spider | Website Grader |
|---|---|---|
| Founded | 2010 | 2006 |
| Headquarters | Henley-on-Thames, Oxfordshire, UK | Cambridge, Massachusetts, USA |
| Purpose | The SEO Spider is a website crawler that audits sites for over 300 SEO issues to help improve SEO and user experience. | Website Grader evaluates website performance and identifies opportunities to improve it. |
Screaming Frog SEO Spider plans
- FreeFree
- Paid licence—
- Free VersionFree
- Paid licence (20+)$235 a year
- Paid licence (10–19)$249 a year
- Paid licence (5–9)$265 a year
Website Grader plans
- FreeFree
Pick Screaming Frog SEO Spider if…
It is aimed at experienced SEOs and may suit agencies, brands and site owners conducting technical audits. JavaScript-heavy sites may benefit from its page rendering and framework support.
Pick Website Grader if…
It suits people who want to assess a website’s performance, SEO, mobile experience, and security. It is useful for users seeking recommendations without subscription fees or usage limits.