| Metric | Amazon ALB | core-js | Winner |
|---|---|---|---|
| Performance | 39 | 36 | Amazon ALB |
| Accessibility | 86 | 88 | core-js |
| Best Practices | 85 | 83 | Amazon ALB |
| SEO | 90 | 91 | core-js |
| Security | 63 | 64 | core-js |
| TTFB | 460ms | 359ms | core-js |
| Composite | 71 | 72 | core-js |
core-js outperforms Amazon ALB in 5 of 7 categories, with a stronger composite score (72 vs 71). Amazon ALB leads in performance, best practices.
Choose Amazon ALB when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose core-js 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 46 audited Amazon ALB sites and 1488 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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