Cart.js vs Swiper
Head-to-head usage across the sites we track.
Top sites by authority
Cart.js · Swiper · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
120
Open Page Rank 8+
1
2,420
Open Page Rank 7+
1
11,764
Open Page Rank 6+
6
25,133
Open Page Rank 5+
24
48,286
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 · Swiper · share of sites in each country using one or the other
United States
352
436,711
India
104
243,576
Brazil
26
230,631
Germany
60
191,904
Japan
23
181,403
United Kingdom
139
161,912
France
54
156,599
Italy
46
140,074
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart.js | Swiper |
|---|---|---|
| LCP | 1.6 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 900 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 Swiper
| Domain | When |
|---|---|
| shophippo.com | May 2026 |
| yuki-fujisawa.com | Mar 2026 |
| analogwatchco.com | Oct 2025 |
Swiper to Cart.js
| Domain | When |
|---|---|
| yuki-fujisawa.com | Mar 2026 |