| Metric | Shop Pay | Stamped | Winner |
|---|---|---|---|
| Performance | 29 | 36 | Stamped |
| Accessibility | 87 | 90 | Stamped |
| Best Practices | 81 | 81 | Tie |
| SEO | 92 | 92 | Tie |
| Security | 72 | 70 | Shop Pay |
| TTFB | 226ms | 327ms | Shop Pay |
| Composite | 73 | 74 | Stamped |
Stamped outperforms Shop Pay in 3 of 7 categories, with a stronger composite score (74 vs 73). Shop Pay leads in security, TTFB.
Choose Shop Pay when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Stamped when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 45 audited Shop Pay sites and 5 audited Stamped 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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