RequireJS vs Twitter Flight
Head-to-head usage across the sites we track.
Top sites by authority
RequireJS · Twitter Flight · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
65
0
Open Page Rank 8+
994
3
Open Page Rank 7+
3,258
12
Open Page Rank 6+
5,572
17
Open Page Rank 5+
8,483
22
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RequireJS · Twitter Flight · share of sites in each country using one or the other
United States
126,047
53
United Kingdom
39,713
40
Germany
37,781
41
India
30,133
44
Canada
28,265
47
France
27,527
39
Brazil
25,881
29
Spain
19,648
41
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RequireJS | Twitter Flight |
|---|---|---|
| LCP | 1.6 s | 2.4 s |
| INP | 50 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 800 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.