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+
4
0
Open Page Rank 8+
6
0
Open Page Rank 7+
14
4
Open Page Rank 6+
24
7
Open Page Rank 5+
40
11
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
2,456
40
United Kingdom
1,161
32
India
1,134
26
Canada
927
26
Australia
765
26
Germany
735
29
France
712
28
Italy
547
34
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kiwi Sizing | XGen Ai |
|---|---|---|
| LCP | 1.7 s | 2.2 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0.03 |
| TTFB | 500 ms | 700 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.