| Metric | NS1 | Polymer | Winner |
|---|---|---|---|
| Performance | 47 | 47 | Tie |
| Accessibility | 92 | 87 | NS1 |
| Best Practices | 88 | 95 | Polymer |
| SEO | 90 | 69 | NS1 |
| Security | 70 | 72 | Polymer |
| TTFB | 232ms | 157ms | Polymer |
| Composite | 75 | 74 | NS1 |
NS1 and Polymer are closely matched, each leading in different categories. NS1 has a composite score of 75 while Polymer scores 74.
Choose NS1 when your primary concern is SEO and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Polymer when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 183 audited NS1 sites and 11 audited Polymer 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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