| Metric | RSS | Twenty Twelve | Winner |
|---|---|---|---|
| Performance | 48 | 95 | Twenty Twelve |
| Accessibility | 88 | 98 | Twenty Twelve |
| Best Practices | 88 | 81 | RSS |
| SEO | 91 | 92 | Twenty Twelve |
| Security | 66 | 60 | RSS |
| TTFB | 351ms | 274ms | Twenty Twelve |
| Composite | 75 | 78 | Twenty Twelve |
Twenty Twelve outperforms RSS in 5 of 7 categories, with a stronger composite score (78 vs 75). RSS leads in best practices, security.
Choose RSS when your primary concern is best practices and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Twenty Twelve when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 886 audited RSS sites and 1 audited Twenty Twelve 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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