jComponent vs React
Head-to-head usage across the sites we track.
Top sites by authority
jComponent · React · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
223
Open Page Rank 8+
0
3,802
Open Page Rank 7+
0
15,708
Open Page Rank 6+
1
30,122
Open Page Rank 5+
1
51,158
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
jComponent · React · share of sites in each country using one or the other
United States
6
651,665
India
4
252,538
United Kingdom
5
210,954
Germany
5
176,161
Brazil
5
168,763
Canada
4
164,079
France
5
159,876
Australia
2
111,932
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | jComponent | React |
|---|---|---|
| LCP | 2.1 s | 1.9 s |
| INP | 87 ms | 75 ms |
| CLS | 0.03 | 0 |
| TTFB | 750 ms | 700 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.