| Metric | 33Across | ArcSpan | Winner |
|---|---|---|---|
| Performance | 29 | 27 | 33Across |
| Accessibility | 86 | 80 | 33Across |
| Best Practices | 77 | 72 | 33Across |
| SEO | 90 | 90 | Tie |
| Security | 66 | 62 | 33Across |
| TTFB | 311ms | 271ms | ArcSpan |
| Composite | 72 | 69 | 33Across |
33Across outperforms ArcSpan in 5 of 7 categories, with a stronger composite score (72 vs 69). ArcSpan leads in TTFB.
Choose 33Across when your primary concern is accessibility and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose ArcSpan when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 14 audited 33Across sites and 4 audited ArcSpan 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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