BrainSINS vs Kiwi Sizing
Head-to-head usage across the sites we track.
Top sites by authority
BrainSINS · Kiwi Sizing · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
3
Open Page Rank 8+
0
4
Open Page Rank 7+
0
12
Open Page Rank 6+
0
23
Open Page Rank 5+
0
40
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
BrainSINS · Kiwi Sizing · share of sites in each country using one or the other
United States
5
2,106
India
1
962
United Kingdom
4
952
Canada
2
787
Australia
2
688
Germany
4
620
France
4
590
Italy
3
490
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | BrainSINS | Kiwi Sizing |
|---|---|---|
| LCP | 2 s | 1.7 s |
| INP | 87 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.