Bold Commerce vs Kiwi Sizing
Head-to-head usage across the sites we track.
Top sites by authority
Bold Commerce · Kiwi Sizing · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bold Commerce · Kiwi Sizing · share of sites in each country using one or the other
United States
5,667
2,106
United Kingdom
1,579
952
Canada
1,623
787
India
932
962
Australia
1,096
688
Germany
616
620
France
511
590
Italy
358
490
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bold Commerce | Kiwi Sizing |
|---|---|---|
| LCP | 1.5 s | 1.7 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.
Kiwi Sizing to Bold Commerce
| Domain | When |
|---|---|
| ver-vve.com | Feb 2026 |