Based on 253 and 321 real audits
| Metric | Amazon Advertising | Prebid | Winner |
|---|---|---|---|
| Performance | 30 | 33 | Prebid |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 79 | 81 | Prebid |
| SEO | 91 | 90 | Amazon Advertising |
| Security | 64 | 64 | Tie |
| TTFB | 274ms | 266ms | Prebid |
| Composite | 71 | 72 | Prebid |
Prebid outperforms Amazon Advertising in 4 of 7 categories, with a stronger composite score (72 vs 71). Amazon Advertising leads in SEO.
Choose Amazon Advertising when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Prebid 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 253 audited Amazon Advertising sites and 321 audited Prebid 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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