Erlang vs Java
Head-to-head usage across the sites we track.
Top sites by authority
Erlang · Java · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
126
Open Page Rank 8+
31
2,314
Open Page Rank 7+
71
8,936
Open Page Rank 6+
128
15,536
Open Page Rank 5+
203
23,824
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Erlang · Java · share of sites in each country using one or the other
United States
3,520
115,677
India
1,678
53,805
Germany
1,392
39,854
United Kingdom
1,781
39,030
Canada
1,489
35,015
France
1,380
34,236
Brazil
2,516
32,646
Indonesia
925
32,744
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Erlang | Java |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Jun 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 Java
| Domain | When |
|---|---|
| metrocu.org | May 2026 |
| sleep.me | Aug 2025 |
| twentyoaksapts.com | Aug 2025 |
Java to Erlang
| Domain | When |
|---|---|
| besthotelsgrancanaria.com | Dec 2025 |