MooTools vs RequireJS
Head-to-head usage across the sites we track.
Top sites by authority
MooTools · RequireJS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
17
66
Open Page Rank 8+
212
1,026
Open Page Rank 7+
651
3,366
Open Page Rank 6+
1,060
5,789
Open Page Rank 5+
1,701
8,850
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
MooTools · RequireJS · share of sites in each country using one or the other
United States
10,614
158,248
Germany
11,780
42,885
United Kingdom
4,310
46,226
India
3,898
35,970
France
6,053
31,966
Canada
3,020
34,211
Brazil
3,473
29,342
Italy
8,280
21,143
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MooTools | RequireJS |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.
MooTools to RequireJS
| Domain | When |
|---|---|
| bluefix.co.uk | Nov 2025 |
| maxplanck.edu.it | Nov 2025 |
| ellisterfarm.co.uk | Aug 2025 |
RequireJS to MooTools
| Domain | When |
|---|---|
| marmotech.com.do | Mar 2026 |