Based on 1040 and 1726 real audits
| Metric | Amazon Route 53 | core-js | Winner |
|---|---|---|---|
| Performance | 39 | 37 | Amazon Route 53 |
| Accessibility | 87 | 88 | core-js |
| Best Practices | 86 | 84 | Amazon Route 53 |
| SEO | 91 | 91 | Tie |
| Security | 66 | 66 | Tie |
| TTFB | 308ms | 421ms | Amazon Route 53 |
| Composite | 73 | 73 | Tie |
Amazon Route 53 outperforms core-js in 3 of 7 categories, with a stronger composite score (73 vs 73). core-js leads in accessibility.
Choose Amazon Route 53 when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose core-js when your primary concern is accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1040 audited Amazon Route 53 sites and 1726 audited core-js 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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