Based on 2 and 30 real audits
| Metric | Affirm | Klaviyo Reviews | Winner |
|---|---|---|---|
| Performance | 26 | 28 | Klaviyo Reviews |
| Accessibility | 92 | 86 | Affirm |
| Best Practices | 84 | 81 | Affirm |
| SEO | 87 | 91 | Klaviyo Reviews |
| Security | 72 | 72 | Tie |
| TTFB | 542ms | 210ms | Klaviyo Reviews |
| Composite | 74 | 73 | Affirm |
Affirm and Klaviyo Reviews are closely matched, each leading in different categories. Affirm has a composite score of 74 while Klaviyo Reviews scores 73.
Choose Affirm when your primary concern is accessibility and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Klaviyo Reviews when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2 audited Affirm sites and 30 audited Klaviyo Reviews 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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