Head-to-Head Comparison · Alternative to Screaming Frog SEO Spider · 📈 seo & marketing
Screaming Frog SEO Spider vs SEOnaut
A workmanlike crawler with issue severity, audit history and exports; less microscope, more dependable checklist. Here is how SEOnaut ($0/mo open source) stacks up against Screaming Frog SEO Spider ($23.55/mo) across cost, hosting, data privacy, and real-world trade-offs.
Screaming Frog SEO Spider vs SEOnaut Specification Matrix
facts verified 2026-08-11
| Dimension | Screaming Frog SEO Spider (Paid) | SEOnaut (Replacement) |
|---|---|---|
| Monthly Price | $23.55 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $283 / yr | $0 / yr (Save $283) |
| 1-Year Cost (5 seats) | $1,413 / yr | $0 / yr (Save $1,413) |
| 1-Year Cost (10 seats) | $2,826 / yr | $0 / yr (Save $2,826) |
| Source & License | Proprietary SaaS | open source MIT |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 751 (active may 2026) |
Deep Dive: Switching from Screaming Frog SEO Spider to SEOnaut
Trade-offs, installation & data architecture
What you trade away
It is a dependable checklist crawler but gives up Screaming Frog's raw-data depth, granular configuration, extraction and integration breadth.
How to deploy SEOnaut
Docker Compose with MySQL 8.4, then expose the web UI behind HTTPS
What it takes to run
Docker, MySQL and a reverse proxy are required; its default exposed port is plain HTTP
Where your data lives
Sites, crawl results and audit history live in the self-hosted MySQL database
Why fork SEOnaut instead of vibe-coding a Screaming Frog SEO Spider clone?
The core loop is small enough for a capable coding agent to produce a useful local version in one sitting. For Screaming Frog SEO Spider, crawl an owned site locally, inspect technical signals, and export raw audit data. The hard boundary is years of crawl edge cases, javascript rendering, integrations, and desktop performance, plus crawl scale, rule depth, and operational polish.
Screaming Frog SEO Spider vs SEOnaut FAQ
Is SEOnaut a good free alternative to Screaming Frog SEO Spider?+
Yes. SEOnaut is a verified open-source (MIT) replacement for Screaming Frog SEO Spider. A workmanlike crawler with issue severity, audit history and exports; less microscope, more dependable checklist.
What is the catch when switching from Screaming Frog SEO Spider to SEOnaut?+
It is a dependable checklist crawler but gives up Screaming Frog's raw-data depth, granular configuration, extraction and integration breadth.
How much do you save switching from Screaming Frog SEO Spider to SEOnaut?+
Screaming Frog SEO Spider costs $23.55/mo ($283/yr) per seat, whereas SEOnaut is $0/mo. Switching saves $283/yr for a solo user, $1,413/yr for a 5-person team, and $2,826/yr for a 10-person team.
How do I install or self-host SEOnaut instead of Screaming Frog SEO Spider?+
Install: Docker Compose with MySQL 8.4, then expose the web UI behind HTTPS. Setup: Docker, MySQL and a reverse proxy are required; its default exposed port is plain HTTP
