| Metric | MailChimp | RSS | Winner |
|---|---|---|---|
| Performance | 45 | 49 | RSS |
| Accessibility | 86 | 88 | RSS |
| Best Practices | 89 | 88 | MailChimp |
| SEO | 90 | 91 | RSS |
| Security | 68 | 66 | MailChimp |
| TTFB | 314ms | 371ms | MailChimp |
| Composite | 74 | 75 | RSS |
RSS outperforms MailChimp in 4 of 7 categories, with a stronger composite score (75 vs 74). MailChimp leads in best practices, security, TTFB.
Choose MailChimp when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose RSS when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 37 audited MailChimp sites and 924 audited RSS 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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