Cart.js vs jQuery UI
Head-to-head usage across the sites we track.
Top sites by authority
Cart.js · jQuery UI · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
149
Open Page Rank 8+
1
3,179
Open Page Rank 7+
1
15,312
Open Page Rank 6+
6
32,126
Open Page Rank 5+
24
60,154
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Cart.js · jQuery UI · share of sites in each country using one or the other
United States
352
585,514
India
104
254,733
Germany
60
246,243
France
54
210,785
Brazil
26
208,190
United Kingdom
139
201,723
Italy
46
195,443
Spain
51
180,678
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart.js | jQuery UI |
|---|---|---|
| LCP | 1.6 s | 2.2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 1100 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Cart.js to jQuery UI
| Domain | When |
|---|---|
| phillysvape.co.uk | Dec 2025 |
jQuery UI to Cart.js
| Domain | When |
|---|---|
| phillysvape.co.uk | Dec 2025 |