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Erlang vs Fly.io

Based on 14 and 13 real audits

View Erlang details | View Fly.io details
MetricErlangFly.ioWinner
Performance7273Fly.io
Accessibility9091Fly.io
Best Practices9497Fly.io
SEO8788Fly.io
Security8077Erlang
TTFB923ms1000msErlang
Composite8382Erlang
Performance
Erlang
72
Fly.io
73
Accessibility
Erlang
90
Fly.io
91
Security
Erlang
80
Fly.io
77
SEO
Erlang
87
Fly.io
88
Composite
Erlang
83
Fly.io
82

Fly.io outperforms Erlang in 4 of 7 categories, with a stronger composite score (82 vs 83). Erlang leads in security, TTFB, composite score.

When to choose Erlang

Choose Erlang 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 best practices and performance. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 14 audited Erlang sites and 13 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, Erlang or Fly.io?
Based on real BeaverCheck audits, Fly.io sites score higher on Lighthouse performance (73 vs 72 on average).
Which has better security, Erlang or Fly.io?
Erlang sites score higher on security analysis (80 vs 77 on average).
Which has better accessibility, Erlang or Fly.io?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Fly.io (91 vs 90). 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, Erlang or Fly.io?
Fly.io sites score higher on Lighthouse SEO signals (88 vs 87 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), Erlang or Fly.io?
Erlang sites show lower Time to First Byte (923 ms vs 1000 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 Erlang or Fly.io for my website?
Both platforms have trade-offs. Fly.io scores higher on overall composite score while Erlang 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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