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Elixir vs Fly.io

Based on 10 and 10 real audits

View Elixir details | View Fly.io details
MetricElixirFly.ioWinner
Performance6772Fly.io
Accessibility9292Tie
Best Practices10099Elixir
SEO8786Elixir
Security8075Elixir
TTFB1194ms1210msElixir
Composite8382Elixir
Performance
Elixir
67
Fly.io
72
Accessibility
Elixir
92
Fly.io
92
Security
Elixir
80
Fly.io
75
SEO
Elixir
87
Fly.io
86
Composite
Elixir
83
Fly.io
82

Elixir outperforms Fly.io in 5 of 7 categories, with a stronger composite score (83 vs 82). Fly.io leads in performance.

When to choose Elixir

Choose Elixir 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 Fly.io

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

How this comparison was built

Scores are medians across 10 audited Elixir sites and 10 audited Fly.io 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, Elixir or Fly.io?
Based on real BeaverCheck audits, Fly.io sites score higher on Lighthouse performance (72 vs 67 on average).
Which has better security, Elixir or Fly.io?
Elixir sites score higher on security analysis (80 vs 75 on average).
Which has better accessibility, Elixir or Fly.io?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Elixir (92 vs 92). 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, Elixir or Fly.io?
Elixir sites score higher on Lighthouse SEO signals (87 vs 86 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), Elixir or Fly.io?
Elixir sites show lower Time to First Byte (1194 ms vs 1210 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 Elixir or Fly.io for my website?
Both platforms have trade-offs. Fly.io scores higher on overall composite score while Elixir 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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