Based on 1688 and 266 real audits
| Metric | core-js | Linkedin Insight Tag | Winner |
|---|---|---|---|
| Performance | 36 | 33 | core-js |
| Accessibility | 88 | 90 | Linkedin Insight Tag |
| Best Practices | 84 | 80 | core-js |
| SEO | 91 | 90 | core-js |
| Security | 66 | 67 | Linkedin Insight Tag |
| TTFB | 396ms | 360ms | Linkedin Insight Tag |
| Composite | 73 | 73 | Tie |
core-js and Linkedin Insight Tag are closely matched, each leading in different categories. core-js has a composite score of 73 while Linkedin Insight Tag scores 73.
Choose core-js when your primary concern is best practices and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Linkedin Insight Tag 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 1688 audited core-js sites and 266 audited Linkedin Insight Tag 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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