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
92
Open Page Rank 8+
33
1,463
Open Page Rank 7+
69
4,571
Open Page Rank 6+
120
7,743
Open Page Rank 5+
193
11,847
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
3,149
81,570
United Kingdom
1,531
32,043
India
1,465
31,121
Canada
1,310
28,481
Germany
1,157
24,686
France
1,174
24,562
Brazil
2,197
19,566
Spain
1,072
20,611
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Erlang | Ruby |
|---|---|---|
| LCP | 1.8 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, Sep 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 |
|---|---|
| novelnove.com | Aug 2026 |
| houseaccount.com | Nov 2025 |
| associazioneumap.com | Oct 2025 |