Kiwi Sizing vs XGen Ai
Head-to-head usage across the sites we track.
Top sites by authority
Kiwi Sizing · XGen Ai · 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
3
Open Page Rank 6+
23
6
Open Page Rank 5+
40
10
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 · XGen Ai · share of sites in each country using one or the other
United States
2,106
37
India
962
26
United Kingdom
952
30
Canada
787
24
Australia
688
23
Germany
620
26
France
590
26
Italy
490
31
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kiwi Sizing | XGen Ai |
|---|---|---|
| LCP | 1.7 s | 2 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 700 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.