Based on 636 and 2 real audits
| Metric | Cart Functionality | Happy Returns | Winner |
|---|---|---|---|
| Performance | 40 | 26 | Cart Functionality |
| Accessibility | 87 | 67 | Cart Functionality |
| Best Practices | 86 | 86 | Tie |
| SEO | 90 | 92 | Happy Returns |
| Security | 68 | 76 | Happy Returns |
| TTFB | 418ms | 189ms | Happy Returns |
| Composite | 74 | 73 | Cart Functionality |
Cart Functionality and Happy Returns are closely matched, each leading in different categories. Cart Functionality has a composite score of 74 while Happy Returns scores 73.
Choose Cart Functionality when your primary concern is accessibility and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Happy Returns when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 636 audited Cart Functionality sites and 2 audited Happy Returns 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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