Based on 1582 and 8 real audits
| Metric | core-js | Elastic APM | Winner |
|---|---|---|---|
| Performance | 36 | 41 | Elastic APM |
| Accessibility | 88 | 95 | Elastic APM |
| Best Practices | 84 | 96 | Elastic APM |
| SEO | 91 | 97 | Elastic APM |
| Security | 65 | 76 | Elastic APM |
| TTFB | 374ms | 508ms | core-js |
| Composite | 72 | 78 | Elastic APM |
Elastic APM outperforms core-js in 6 of 7 categories, with a stronger composite score (78 vs 72). core-js leads in TTFB.
Choose core-js when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Elastic APM when your primary concern is best practices and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1582 audited core-js sites and 8 audited Elastic APM 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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