compare
Python SEO Analyzer vs Unlighthouse
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Python SEO Analyzer | Unlighthouse |
|---|---|---|
| Language | Python | JavaScript |
| Licence | Other | MIT |
| Stars | 1.5k | 4.9k |
| Latest | 2025.4.3 | v0.19.1 |
| Last push | 2026-09-06 | 2026-10-04 |
| Release cadence | about 333 days between releases | about 5 days between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 5 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Screaming Frog SEO Spider. Alternatives to Screaming Frog SEO Spider →
PartialPython SEO AnalyzerCrawls a site from the command line and reports on-page SEO issues.
PartialUnlighthouseRuns Lighthouse on every page of a site and reports the scores page by page.
Python SEO Analyzer
- 2025.4.32025-04-03Update analyzer.py
- 2024.04.212024-04-21Moved from SemVer to CalVer
- 4.0.62022-01-16Update lxml version
- 4.0.52021-12-03Parse different header tags
- 4.0.42021-01-18Remove social share numbers from html template
Unlighthouse
- v0.19.12026-10-03ci: Stop stray "Canceled" stdout line after a successful scan - in <samp>(3a7b3)</samp>
- v0.19.02026-09-29Ship an agent skill in the package - by @harlan-zw in <samp>(b23fc)</samp>
- v0.18.22026-09-28Keep csv columns under the right headers - by @MaciejZet in <samp>(721ea)</samp>
- v0.18.12026-09-22Enable CrUX caching in production - by @luojiyin1987 in <samp>(c633b)</samp>
- v0.18.02026-06-29Require node 22.x - by @harlan-zw <samp>(c1352)</samp>
Python SEO Analyzer
✓ signed The latest release, 2025.4.3, carries a signature GitHub verified.
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Unlighthouse
✓ signed The latest release, v0.19.1, carries a signature GitHub verified.
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