| Metric | core-js | Winner | |
|---|---|---|---|
| Performance | 36 | 35 | core-js |
| Accessibility | 88 | 85 | core-js |
| Best Practices | 85 | 82 | core-js |
| SEO | 91 | 92 | |
| Security | 67 | 67 | Tie |
| TTFB | 439ms | 298ms | |
| Composite | 74 | 74 | Tie |
core-js outperforms Reddit in 3 of 7 categories, with a stronger composite score (74 vs 74). Reddit leads in SEO, TTFB.
Choose core-js when your primary concern is accessibility and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Reddit when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1843 audited core-js sites and 29 audited Reddit 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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