RequireJS vs UmiJs
Head-to-head usage across the sites we track.
Top sites by authority
RequireJS · UmiJs · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
66
3
Open Page Rank 8+
1,026
22
Open Page Rank 7+
3,366
54
Open Page Rank 6+
5,789
89
Open Page Rank 5+
8,850
129
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RequireJS · UmiJs · share of sites in each country using one or the other
United States
158,248
977
United Kingdom
46,226
385
Germany
42,885
407
India
35,970
582
Canada
34,211
371
France
31,966
347
Brazil
29,342
316
Australia
22,193
384
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RequireJS | UmiJs |
|---|---|---|
| LCP | 1.5 s | 2.9 s |
| INP | 50 ms | 100 ms |
| CLS | 0 | 0.1 |
| TTFB | 600 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.