Erlang vs Ruby
Head-to-head usage across the sites we track.
Top sites by authority
Erlang · Ruby · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
93
Open Page Rank 8+
34
1,473
Open Page Rank 7+
74
4,626
Open Page Rank 6+
131
7,835
Open Page Rank 5+
206
12,013
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Erlang · Ruby · share of sites in each country using one or the other
United States
3,133
81,172
United Kingdom
1,578
31,238
India
1,515
31,163
Canada
1,295
27,720
Germany
1,190
24,578
France
1,171
24,019
Brazil
2,281
19,689
Japan
714
20,441
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Erlang | Ruby |
|---|---|---|
| LCP | 1.9 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Erlang to Ruby
| Domain | When |
|---|---|
| houseaccount.com | Nov 2025 |
| associazioneumap.com | Oct 2025 |
| arnongrunberg.com | Sep 2025 |