<model-viewer> vs Threekit
Head-to-head usage across the sites we track.
Top sites by authority
<model-viewer> · Threekit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
0
Open Page Rank 8+
14
0
Open Page Rank 7+
30
0
Open Page Rank 6+
40
0
Open Page Rank 5+
62
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
<model-viewer> · Threekit · share of sites in each country using one or the other
United States
462
12
India
362
4
Germany
241
1
United Kingdom
230
3
France
214
1
Spain
176
1
Brazil
175
1
Mexico
175
1
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | <model-viewer> | Threekit |
|---|---|---|
| LCP | 2 s | 1.6 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0.03 |
| 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.