Based on 2 and 1599 real audits
| Metric | Beehiiv RSS feed | core-js | Winner |
|---|---|---|---|
| Performance | 32 | 36 | core-js |
| Accessibility | 97 | 88 | Beehiiv RSS feed |
| Best Practices | 86 | 84 | Beehiiv RSS feed |
| SEO | 96 | 91 | Beehiiv RSS feed |
| Security | 67 | 65 | Beehiiv RSS feed |
| TTFB | 46ms | 379ms | Beehiiv RSS feed |
| Composite | 74 | 72 | Beehiiv RSS feed |
Beehiiv RSS feed outperforms core-js in 6 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in performance.
Choose Beehiiv RSS feed when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose core-js when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2 audited Beehiiv RSS feed sites and 1599 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 →
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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