FusionCharts vs Three.js
Head-to-head usage across the sites we track.
Top sites by authority
FusionCharts · Three.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
48
Open Page Rank 8+
19
399
Open Page Rank 7+
54
1,113
Open Page Rank 6+
72
1,854
Open Page Rank 5+
108
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
FusionCharts · Three.js · share of sites in each country using one or the other
United States
375
15,152
India
270
12,368
Germany
129
7,574
United Kingdom
155
6,545
Philippines
90
6,604
France
118
6,090
Japan
97
6,014
Italy
94
5,764
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FusionCharts | Three.js |
|---|---|---|
| LCP | 1.9 s | 2.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.