Based on 365 and 329 real audits
| Metric | Google Publisher Tag | Prebid | Winner |
|---|---|---|---|
| Performance | 33 | 33 | Tie |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 81 | 81 | Tie |
| SEO | 91 | 90 | Google Publisher Tag |
| Security | 64 | 64 | Tie |
| TTFB | 333ms | 307ms | Prebid |
| Composite | 72 | 72 | Tie |
Google Publisher Tag and Prebid are closely matched, each leading in different categories. Google Publisher Tag has a composite score of 72 while Prebid scores 72.
Choose Google Publisher Tag 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. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 365 audited Google Publisher Tag sites and 329 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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