| Metric | Cloudflare | Klaviyo | Winner |
|---|---|---|---|
| Performance | 48 | 28 | Cloudflare |
| Accessibility | 88 | 87 | Cloudflare |
| Best Practices | 86 | 80 | Cloudflare |
| SEO | 89 | 91 | Klaviyo |
| Security | 67 | 70 | Klaviyo |
| TTFB | 286ms | 223ms | Klaviyo |
| Composite | 74 | 73 | Cloudflare |
Cloudflare outperforms Klaviyo in 4 of 7 categories, with a stronger composite score (74 vs 73). Klaviyo leads in SEO, security, TTFB.
Choose Cloudflare when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Klaviyo when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2056 audited Cloudflare 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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