Kiwi Sizing vs Poloriz
Head-to-head usage across the sites we track.
Top sites by authority
Kiwi Sizing · Poloriz · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
0
Open Page Rank 8+
6
0
Open Page Rank 7+
14
0
Open Page Rank 6+
24
0
Open Page Rank 5+
40
1
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 · Poloriz · share of sites in each country using one or the other
United States
2,456
13
United Kingdom
1,161
6
India
1,134
5
Canada
927
4
Australia
765
3
Germany
735
2
France
712
2
Italy
547
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kiwi Sizing | Poloriz |
|---|---|---|
| LCP | 1.7 s | 2.2 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 600 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.