| Metric | OpenX | Prebid | Winner |
|---|---|---|---|
| Performance | 28 | 33 | Prebid |
| Accessibility | 85 | 87 | Prebid |
| Best Practices | 77 | 81 | Prebid |
| SEO | 90 | 90 | Tie |
| Security | 65 | 64 | OpenX |
| TTFB | 335ms | 294ms | Prebid |
| Composite | 71 | 72 | Prebid |
Prebid outperforms OpenX in 5 of 7 categories, with a stronger composite score (72 vs 71). OpenX leads in security.
Choose OpenX when your primary concern is security. 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 52 audited OpenX sites and 325 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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