Based on 695 and 2529 real audits
| Metric | Cart Functionality | Microsoft | Winner |
|---|---|---|---|
| Performance | 41 | 40 | Cart Functionality |
| Accessibility | 87 | 89 | Microsoft |
| Best Practices | 86 | 86 | Tie |
| SEO | 91 | 89 | Cart Functionality |
| Security | 69 | 67 | Cart Functionality |
| TTFB | 458ms | 333ms | Microsoft |
| Composite | 75 | 73 | Cart Functionality |
Cart Functionality outperforms Microsoft in 4 of 7 categories, with a stronger composite score (75 vs 73). Microsoft leads in accessibility, TTFB.
Choose Cart Functionality when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 695 audited Cart Functionality sites and 2529 audited Microsoft 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 →
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