Based on 12 and 48 real audits
| Metric | Klarna Checkout | Klaviyo | Winner |
|---|---|---|---|
| Performance | 30 | 28 | Klarna Checkout |
| Accessibility | 82 | 87 | Klaviyo |
| Best Practices | 81 | 80 | Klarna Checkout |
| SEO | 92 | 91 | Klarna Checkout |
| Security | 72 | 70 | Klarna Checkout |
| TTFB | 290ms | 223ms | Klaviyo |
| Composite | 74 | 73 | Klarna Checkout |
Klarna Checkout outperforms Klaviyo in 5 of 7 categories, with a stronger composite score (74 vs 73). Klaviyo leads in accessibility, TTFB.
Choose Klarna Checkout when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Klaviyo 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 12 audited Klarna Checkout sites and 48 audited Klaviyo 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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