| Metric | Ruby | Stimulus | Winner |
|---|---|---|---|
| Performance | 57 | 43 | Ruby |
| Accessibility | 86 | 90 | Stimulus |
| Best Practices | 92 | 90 | Ruby |
| SEO | 91 | 93 | Stimulus |
| Security | 67 | 67 | Tie |
| TTFB | 337ms | 293ms | Stimulus |
| Composite | 75 | 75 | Tie |
Stimulus outperforms Ruby in 3 of 7 categories, with a stronger composite score (75 vs 75). Ruby leads in performance, best practices.
Choose Ruby when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Stimulus when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 77 audited Ruby sites and 34 audited Stimulus sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →
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