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33Across vs Mountain

Based on 14 and 13 real audits

View 33Across details | View Mountain details
Metric33AcrossMountainWinner
Performance2934Mountain
Accessibility8690Mountain
Best Practices7777Tie
SEO9092Mountain
Security666133Across
TTFB311ms432ms33Across
Composite727133Across
Performance
33Across
29
Mountain
34
Accessibility
33Across
86
Mountain
90
Security
33Across
66
Mountain
61
SEO
33Across
90
Mountain
92
Composite
33Across
72
Mountain
71

33Across and Mountain are closely matched, each leading in different categories. 33Across has a composite score of 72 while Mountain scores 71.

When to choose 33Across

Choose 33Across when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Mountain

Choose Mountain when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 14 audited 33Across sites and 13 audited Mountain 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 →

FAQ

Which is faster, 33Across or Mountain?
Based on real BeaverCheck audits, Mountain sites score higher on Lighthouse performance (34 vs 29 on average).
Which has better security, 33Across or Mountain?
33Across sites score higher on security analysis (66 vs 61 on average).
Which has better accessibility, 33Across or Mountain?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Mountain (90 vs 86). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, 33Across or Mountain?
Mountain sites score higher on Lighthouse SEO signals (92 vs 90 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), 33Across or Mountain?
33Across sites show lower Time to First Byte (311 ms vs 432 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose 33Across or Mountain for my website?
Both platforms have trade-offs. Mountain scores higher on overall composite score while 33Across may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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