Cart.js vs jQuery
Head-to-head usage across the sites we track.
Top sites by authority
Cart.js · jQuery · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
245
Open Page Rank 8+
1
5,631
Open Page Rank 7+
1
31,992
Open Page Rank 6+
5
74,247
Open Page Rank 5+
24
151,036
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 · share of sites in each country using one or the other
United States
423
1,868,996
Japan
27
820,202
Germany
76
760,440
India
136
750,494
United Kingdom
166
627,325
France
76
602,656
Italy
54
522,636
Brazil
33
518,250
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart.js | jQuery |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 800 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.
Cart.js to jQuery
| Domain | When |
|---|---|
| calibagels.com | Aug 2025 |
jQuery to Cart.js
| Domain | When |
|---|---|
| nabdd-eg.com | Feb 2026 |