Protovis vs Three.js
Head-to-head usage across the sites we track.
Top sites by authority
Protovis · Three.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
48
Open Page Rank 8+
1
399
Open Page Rank 7+
2
1,113
Open Page Rank 6+
2
1,854
Open Page Rank 5+
4
2,881
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Protovis · Three.js · share of sites in each country using one or the other
United States
4
15,152
India
4
12,368
Germany
4
7,574
Philippines
2
6,604
United Kingdom
3
6,545
France
5
6,090
Japan
2
6,014
Italy
4
5,764
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Protovis | Three.js |
|---|---|---|
| LCP | 1.7 s | 2.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 900 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.