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
9
Open Page Rank 8+
1
17
Open Page Rank 7+
1
34
Open Page Rank 6+
1
45
Open Page Rank 5+
2
67
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
9
469
India
9
383
Germany
6
241
United Kingdom
9
231
France
8
216
Spain
5
193
Italy
6
189
Brazil
6
185
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Luna | <model-viewer> |
|---|---|---|
| LCP | 2.7 s | 2 s |
| INP | 150 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.