Based on 1488 and 1 real audits
| Metric | core-js | Tencent Waterproof Wall | Winner |
|---|---|---|---|
| Performance | 36 | 52 | Tencent Waterproof Wall |
| Accessibility | 88 | 53 | core-js |
| Best Practices | 83 | 96 | Tencent Waterproof Wall |
| SEO | 91 | 92 | Tencent Waterproof Wall |
| Security | 64 | 57 | core-js |
| TTFB | 359ms | 1437ms | core-js |
| Composite | 72 | 67 | core-js |
core-js outperforms Tencent Waterproof Wall in 4 of 7 categories, with a stronger composite score (72 vs 67). Tencent Waterproof Wall leads in performance, best practices, SEO.
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 Tencent Waterproof Wall when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1488 audited core-js sites and 1 audited Tencent Waterproof Wall 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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