Java vs Scala
Head-to-head usage across the sites we track.
Top sites by authority
Java · Scala · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
129
6
Open Page Rank 8+
2,282
108
Open Page Rank 7+
8,817
325
Open Page Rank 6+
15,329
522
Open Page Rank 5+
23,495
740
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Java · Scala · share of sites in each country using one or the other
United States
104,685
3,071
India
47,632
1,580
United Kingdom
34,317
1,445
Germany
34,304
1,144
Canada
30,484
1,360
Brazil
29,569
905
Indonesia
29,625
779
France
28,165
1,038
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Java | Scala |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.
Java to Scala
| Domain | When |
|---|---|
| wellnow.com | May 2026 |