| Metric | Altis | RSS | Winner |
|---|---|---|---|
| Performance | 28 | 47 | RSS |
| Accessibility | 83 | 88 | RSS |
| Best Practices | 77 | 88 | RSS |
| SEO | 100 | 91 | Altis |
| Security | 65 | 64 | Altis |
| TTFB | 781ms | 296ms | RSS |
| Composite | 72 | 74 | RSS |
RSS outperforms Altis in 5 of 7 categories, with a stronger composite score (74 vs 72). Altis leads in SEO, security.
Choose Altis when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose RSS 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 1 audited Altis sites and 801 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 →
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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