C vs Java
Head-to-head usage across the sites we track.
Top sites by authority
C · 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+
20
2,314
Open Page Rank 7+
61
8,936
Open Page Rank 6+
95
15,536
Open Page Rank 5+
150
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
C · Java · share of sites in each country using one or the other
United States
10,245
115,677
India
5,802
53,805
Germany
6,052
39,854
United Kingdom
5,091
39,030
Canada
4,072
35,015
France
4,762
34,236
Indonesia
3,773
32,744
Brazil
3,812
32,646
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | C | Java |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.
C to Java
| Domain | When |
|---|---|
| autoplay.store | Jan 2026 |
| potim.sp.gov.br | Jan 2026 |
| pravosudje.ba | Jan 2026 |
| bestathenshotel.com | Dec 2025 |
| mlsdetectives.com | Aug 2025 |
| tierarztquerfurt.de | Jul 2025 |