Based on 2 and 343 real audits
| Metric | BigCommerce | Microsoft Clarity | Winner |
|---|---|---|---|
| Performance | 29 | 33 | Microsoft Clarity |
| Accessibility | 87 | 90 | Microsoft Clarity |
| Best Practices | 86 | 83 | BigCommerce |
| SEO | 73 | 92 | Microsoft Clarity |
| Security | 74 | 65 | BigCommerce |
| TTFB | 836ms | 403ms | Microsoft Clarity |
| Composite | 76 | 72 | BigCommerce |
Microsoft Clarity outperforms BigCommerce in 4 of 7 categories, with a stronger composite score (72 vs 76). BigCommerce leads in best practices, security, composite score.
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 Microsoft Clarity 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 343 audited Microsoft Clarity 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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