Kiwi Sizing vs Potions
Head-to-head usage across the sites we track.
Top sites by authority
Kiwi Sizing · Potions · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
0
Open Page Rank 8+
4
0
Open Page Rank 7+
12
2
Open Page Rank 6+
23
6
Open Page Rank 5+
38
15
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Kiwi Sizing · Potions · share of sites in each country using one or the other
United States
1,986
46
United Kingdom
921
43
India
901
28
Canada
763
36
France
564
88
Australia
632
16
Germany
590
47
Italy
505
42
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kiwi Sizing | Potions |
|---|---|---|
| LCP | 1.6 s | 1.6 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Oct 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.