| Metric | Stellar.js | Swiper | Winner |
|---|---|---|---|
| Performance | 35 | 39 | Swiper |
| Accessibility | 82 | 86 | Swiper |
| Best Practices | 88 | 87 | Stellar.js |
| SEO | 92 | 90 | Stellar.js |
| Security | 60 | 68 | Swiper |
| TTFB | 519ms | 512ms | Swiper |
| Composite | 73 | 74 | Swiper |
Swiper outperforms Stellar.js in 5 of 7 categories, with a stronger composite score (74 vs 73). Stellar.js leads in best practices, SEO.
Choose Stellar.js when your primary concern is SEO and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Swiper when your primary concern is security and server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2 audited Stellar.js sites and 626 audited Swiper 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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