Luna vs <model-viewer>
Head-to-head usage across the sites we track.
Top sites by authority
Luna · <model-viewer> · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
7
Open Page Rank 8+
1
15
Open Page Rank 7+
1
30
Open Page Rank 6+
1
42
Open Page Rank 5+
2
63
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Luna · <model-viewer> · share of sites in each country using one or the other
United States
10
479
India
10
385
Germany
7
257
United Kingdom
11
246
France
7
238
Italy
8
193
Spain
8
190
Mexico
5
187
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Luna | <model-viewer> |
|---|---|---|
| LCP | 2.2 s | 2 s |
| INP | 125 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1000 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.