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+
127
6
Open Page Rank 8+
2,258
107
Open Page Rank 7+
8,728
321
Open Page Rank 6+
15,094
520
Open Page Rank 5+
23,134
742
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
103,678
3,057
India
46,985
1,561
United Kingdom
34,408
1,445
Germany
34,013
1,121
Canada
30,613
1,364
Indonesia
29,812
775
Brazil
29,287
883
Spain
28,586
979
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 | 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.
Java to Scala
| Domain | When |
|---|---|
| wellnow.com | May 2026 |