Based on 1650 and 5 real audits
| Metric | core-js | Spotify Widgets | Winner |
|---|---|---|---|
| Performance | 36 | 40 | Spotify Widgets |
| Accessibility | 88 | 76 | core-js |
| Best Practices | 84 | 73 | core-js |
| SEO | 91 | 89 | core-js |
| Security | 66 | 63 | core-js |
| TTFB | 387ms | 542ms | core-js |
| Composite | 73 | 70 | core-js |
core-js outperforms Spotify Widgets in 6 of 7 categories, with a stronger composite score (73 vs 70). Spotify Widgets leads in performance.
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.
Choose Spotify Widgets when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1650 audited core-js sites and 5 audited Spotify Widgets 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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