Based on 636 and 3 real audits
| Metric | Facebook SDK | Shopify Buy Button | Winner |
|---|---|---|---|
| Performance | 32 | 40 | Shopify Buy Button |
| Accessibility | 88 | 83 | Facebook SDK |
| Best Practices | 79 | 78 | Facebook SDK |
| SEO | 91 | 92 | Shopify Buy Button |
| Security | 64 | 64 | Tie |
| TTFB | 395ms | 202ms | Shopify Buy Button |
| Composite | 72 | 70 | Facebook SDK |
Facebook SDK and Shopify Buy Button are closely matched, each leading in different categories. Facebook SDK has a composite score of 72 while Shopify Buy Button scores 70.
Choose Facebook SDK when your primary concern is accessibility and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Shopify Buy Button when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 636 audited Facebook SDK sites and 3 audited Shopify Buy Button 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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