OpenCV vs Swiper
Head-to-head usage across the sites we track.
Top sites by authority
OpenCV · Swiper · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
117
Open Page Rank 8+
0
2,436
Open Page Rank 7+
0
11,770
Open Page Rank 6+
0
25,096
Open Page Rank 5+
0
48,140
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
OpenCV · Swiper · share of sites in each country using one or the other
United States
2
491,705
India
1
274,591
Brazil
0
234,477
Germany
2
213,155
Japan
0
207,032
France
1
185,131
United Kingdom
2
182,905
Italy
1
160,103
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenCV | Swiper |
|---|---|---|
| LCP | 3.3 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1000 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.