Based on 160 and 1600 real audits
| Metric | Adobe Analytics | core-js | Winner |
|---|---|---|---|
| Performance | 32 | 35 | core-js |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 83 | 83 | Tie |
| SEO | 89 | 91 | core-js |
| Security | 65 | 65 | Tie |
| TTFB | 342ms | 378ms | Adobe Analytics |
| Composite | 72 | 72 | Tie |
core-js outperforms Adobe Analytics in 2 of 7 categories, with a stronger composite score (72 vs 72). Adobe Analytics leads in TTFB.
Choose Adobe Analytics when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Choose core-js when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 160 audited Adobe Analytics sites and 1600 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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