Based on 554 and 7 real audits
| Metric | Cart Functionality | Polyfill | Winner |
|---|---|---|---|
| Performance | 38 | 53 | Polyfill |
| Accessibility | 87 | 88 | Polyfill |
| Best Practices | 85 | 96 | Polyfill |
| SEO | 90 | 81 | Cart Functionality |
| Security | 66 | 69 | Polyfill |
| TTFB | 374ms | 46ms | Polyfill |
| Composite | 73 | 78 | Polyfill |
Polyfill outperforms Cart Functionality in 6 of 7 categories, with a stronger composite score (78 vs 73). Cart Functionality leads in SEO.
Choose Cart Functionality when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Polyfill when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 554 audited Cart Functionality sites and 7 audited Polyfill 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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