Based on 2882 and 378 real audits
| Metric | Google Tag Manager | Proofpoint | Winner |
|---|---|---|---|
| Performance | 41 | 35 | Google Tag Manager |
| Accessibility | 88 | 89 | Proofpoint |
| Best Practices | 87 | 85 | Google Tag Manager |
| SEO | 92 | 89 | Google Tag Manager |
| Security | 66 | 67 | Proofpoint |
| TTFB | 415ms | 306ms | Proofpoint |
| Composite | 74 | 72 | Google Tag Manager |
Google Tag Manager outperforms Proofpoint in 4 of 7 categories, with a stronger composite score (74 vs 72). Proofpoint leads in accessibility, security, TTFB.
Choose Google Tag Manager when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Proofpoint when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2882 audited Google Tag Manager sites and 378 audited Proofpoint 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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