| Metric | jQuery UI | Leaflet | Winner |
|---|---|---|---|
| Performance | 42 | 39 | jQuery UI |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 87 | 91 | Leaflet |
| SEO | 90 | 92 | Leaflet |
| Security | 65 | 64 | jQuery UI |
| TTFB | 466ms | 342ms | Leaflet |
| Composite | 73 | 72 | jQuery UI |
jQuery UI and Leaflet are closely matched, each leading in different categories. jQuery UI has a composite score of 73 while Leaflet scores 72.
Choose jQuery UI when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Leaflet when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 381 audited jQuery UI sites and 34 audited Leaflet 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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