Based on 3 and 1650 real audits
| Metric | AddShoppers | core-js | Winner |
|---|---|---|---|
| Performance | 16 | 36 | core-js |
| Accessibility | 89 | 88 | AddShoppers |
| Best Practices | 86 | 84 | AddShoppers |
| SEO | 86 | 91 | core-js |
| Security | 66 | 66 | Tie |
| TTFB | 119ms | 387ms | AddShoppers |
| Composite | 71 | 73 | core-js |
AddShoppers and core-js are closely matched, each leading in different categories. AddShoppers has a composite score of 71 while core-js scores 73.
Choose AddShoppers when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose core-js when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 3 audited AddShoppers sites and 1650 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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