Based on 2490 and 167 real audits
| Metric | Google Tag Manager | styled-components | Winner |
|---|---|---|---|
| Performance | 40 | 33 | Google Tag Manager |
| Accessibility | 88 | 89 | styled-components |
| Best Practices | 86 | 85 | Google Tag Manager |
| SEO | 91 | 93 | styled-components |
| Security | 65 | 65 | Tie |
| TTFB | 370ms | 315ms | styled-components |
| Composite | 73 | 72 | Google Tag Manager |
Google Tag Manager and styled-components are closely matched, each leading in different categories. Google Tag Manager has a composite score of 73 while styled-components scores 72.
Choose Google Tag Manager when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose styled-components when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2490 audited Google Tag Manager sites and 167 audited styled-components 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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