Apptus vs Kiwi Sizing
Head-to-head usage across the sites we track.
Top sites by authority
Apptus · 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+
2
23
Open Page Rank 5+
3
40
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apptus · Kiwi Sizing · share of sites in each country using one or the other
United States
7
2,106
India
5
962
United Kingdom
7
952
Canada
3
787
Australia
2
688
Germany
9
620
France
7
590
Italy
7
490
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apptus | Kiwi Sizing |
|---|---|---|
| LCP | 1.3 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 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.