Based on 1637 and 75 real audits
| Metric | core-js | Google Ads Conversion Tracking | Winner |
|---|---|---|---|
| Performance | 36 | 39 | Google Ads Conversion Tracking |
| Accessibility | 88 | 85 | core-js |
| Best Practices | 84 | 83 | core-js |
| SEO | 91 | 90 | core-js |
| Security | 65 | 67 | Google Ads Conversion Tracking |
| TTFB | 385ms | 538ms | core-js |
| Composite | 73 | 73 | Tie |
core-js outperforms Google Ads Conversion Tracking in 4 of 7 categories, with a stronger composite score (73 vs 73). Google Ads Conversion Tracking leads in performance, security.
Choose core-js when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Google Ads Conversion Tracking when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1637 audited core-js sites and 75 audited Google Ads Conversion Tracking 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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