Levar vs <model-viewer>
Head-to-head usage across the sites we track.
Top sites by authority
Levar · <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+
0
17
Open Page Rank 7+
0
34
Open Page Rank 6+
0
45
Open Page Rank 5+
0
67
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Levar · <model-viewer> · share of sites in each country using one or the other
United States
1
469
India
0
383
Germany
0
241
United Kingdom
0
231
France
0
216
Spain
0
193
Italy
0
189
Brazil
0
185
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Levar | <model-viewer> |
|---|---|---|
| LCP | 1.3 s | 2 s |
| INP | 75 ms | 100 ms |
| CLS | 0.05 | 0 |
| TTFB | 400 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.