RequireJS vs RightJS
Head-to-head usage across the sites we track.
Top sites by authority
RequireJS · RightJS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
64
0
Open Page Rank 8+
1,028
0
Open Page Rank 7+
3,327
0
Open Page Rank 6+
5,673
2
Open Page Rank 5+
8,648
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RequireJS · RightJS · share of sites in each country using one or the other
United States
132,201
251
United Kingdom
40,149
126
Germany
38,420
137
India
30,963
112
Canada
29,177
112
France
27,073
105
Brazil
26,685
118
Australia
19,263
79
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RequireJS | RightJS |
|---|---|---|
| LCP | 1.5 s | 1.7 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.