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
45
Open Page Rank 8+
19
403
Open Page Rank 7+
56
1,136
Open Page Rank 6+
78
1,901
Open Page Rank 5+
119
2,906
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
386
15,668
India
289
12,588
Germany
137
8,278
United Kingdom
166
7,106
Japan
114
6,694
France
134
6,615
Philippines
98
6,395
Italy
102
6,184
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FusionCharts | Three.js |
|---|---|---|
| LCP | 1.9 s | 2.5 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 900 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.