Based on 13 and 2938 real audits
| Metric | Clipboard.js | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 48 | 41 | Clipboard.js |
| Accessibility | 88 | 88 | Tie |
| Best Practices | 87 | 87 | Tie |
| SEO | 88 | 92 | Google Tag Manager |
| Security | 65 | 67 | Google Tag Manager |
| TTFB | 348ms | 421ms | Clipboard.js |
| Composite | 74 | 74 | Tie |
Clipboard.js and Google Tag Manager are closely matched, each leading in different categories. Clipboard.js has a composite score of 74 while Google Tag Manager scores 74.
Choose Clipboard.js when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Google Tag Manager when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 13 audited Clipboard.js sites and 2938 audited Google Tag Manager 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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