← Comparisons · updated 2026-10-04
MarsGeo vs Siteliner: finding duplicate content
Siteliner crawls a site and reports duplicate and near-duplicate content. MarsGeo provides the canonical and tag tools you use to resolve duplicates page by page.
| Feature | MarsGeo | Siteliner |
|---|---|---|
| Purpose | Canonical/schema/meta tools | Whole-site duplicate detection |
| Crawls your site | No (paste HTML / bulk on Pro) | Yes (free limited) |
| Canonical checker | Yes | No |
| Schema generators | Yes | No |
| Price | Free (Pro from $29/mo) | Free limited, paid |
Where MarsGeo wins
- Free canonical and tag checking
- Generating the fix (canonical, noindex)
- Batch URL audit on Pro
Where Siteliner wins
- Site-wide duplicate reports
- Similarity percentages
Verdict
Use Siteliner to find duplicate clusters, then fix each one with MarsGeo's [canonical checker](/tools/canonical-url-checker) and the [duplicate content guide](/blog/duplicate-content-guide).
Features and pricing change — check Siteliner's site for current details.