| Metric | Bunny | core-js | Winner |
|---|---|---|---|
| Performance | 47 | 37 | Bunny |
| Accessibility | 90 | 88 | Bunny |
| Best Practices | 88 | 85 | Bunny |
| SEO | 93 | 91 | Bunny |
| Security | 70 | 67 | Bunny |
| TTFB | 433ms | 439ms | Bunny |
| Composite | 77 | 74 | Bunny |
Bunny outperforms core-js in 7 of 7 categories, with a stronger composite score (77 vs 74). core-js leads in no categories.
Choose Bunny when your primary concern is performance and server response time. Its audit data shows consistent strength in these areas across the sampled sites.
core-js doesn't clearly lead Bunny in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
Scores are medians across 40 audited Bunny sites and 1841 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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