Based on 2 and 564 real audits
| Metric | BigCommerce | Cart Functionality | Winner |
|---|---|---|---|
| Performance | 29 | 38 | Cart Functionality |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 86 | 85 | BigCommerce |
| SEO | 73 | 90 | Cart Functionality |
| Security | 74 | 66 | BigCommerce |
| TTFB | 836ms | 387ms | Cart Functionality |
| Composite | 76 | 73 | BigCommerce |
BigCommerce and Cart Functionality are closely matched, each leading in different categories. BigCommerce has a composite score of 76 while Cart Functionality scores 73.
Choose BigCommerce when your primary concern is security and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Cart Functionality when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2 audited BigCommerce sites and 564 audited Cart Functionality 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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