SEOnaut at a glance
Checked 15 Oct 2026SEOnaut is an MIT-licensed Go web app with a MySQL database that crawls a site and reports SEO issues (broken links, redirect loops, missing or duplicate meta tags, heading order and more) grouped as critical, high and low. Docker Compose is the recommended install; a hosted version runs at seonaut.org. No paid services. It does not do keyword research, rank tracking or backlinks. No GitHub releases; hardware needs are not documented.
RepoQuarry. “SEOnaut.” Checked 15 Oct 2026. https://repoquarry.dev/projects/seonautHow much of Semrush does it replace?
1 of 5 jobs. Technical crawl audit only.
For keyword research, rank tracking, backlink analysis, competitor analysis, see other Semrush alternatives. You may also need to build an interface, an API server and hosting yourself.
How much of Ahrefs does it replace?
1 of 5 jobs. Technical crawl audit only.
For keyword research, rank tracking, backlink analysis, competitor analysis, see other Ahrefs alternatives. You may also need to build an interface, an API server and hosting yourself.
Facts, with sources
Every answer links to where we found it. We read the documentation; we did not install it.
Using docker is the recommended way of running SEOnaut.github.com · seonaut#quick-start-guide ↗ 1d ago
SEOnaut is open-source under the MIT license.github.com · LICENSE ↗ 1d ago
As you need to provide a database, you can use `docker compose` to do sogithub.com · seonaut#using-docker-compose ↗ 1d ago