Based on 2629 and 1421 real audits
| Metric | Google Tag Manager | Tailwind CSS | Winner |
|---|---|---|---|
| Performance | 41 | 49 | Tailwind CSS |
| Accessibility | 88 | 90 | Tailwind CSS |
| Best Practices | 86 | 88 | Tailwind CSS |
| SEO | 91 | 92 | Tailwind CSS |
| Security | 65 | 69 | Tailwind CSS |
| TTFB | 387ms | 380ms | Tailwind CSS |
| Composite | 73 | 75 | Tailwind CSS |
Tailwind CSS outperforms Google Tag Manager in 7 of 7 categories, with a stronger composite score (75 vs 73). Google Tag Manager leads in no categories.
Google Tag Manager doesn't clearly lead Tailwind CSS in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
Choose Tailwind CSS when your primary concern is performance and server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2629 audited Google Tag Manager sites and 1421 audited Tailwind CSS 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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