Chart.js vs FusionCharts
Head-to-head usage across the sites we track.
Top sites by authority
Chart.js · FusionCharts · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
48
4
Open Page Rank 8+
883
19
Open Page Rank 7+
3,106
56
Open Page Rank 6+
5,438
76
Open Page Rank 5+
8,607
115
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Chart.js · FusionCharts · share of sites in each country using one or the other
United States
48,182
361
India
25,375
269
Germany
21,390
129
Italy
19,374
92
United Kingdom
18,271
158
Brazil
18,003
130
Spain
17,614
89
France
17,096
113
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Chart.js | FusionCharts |
|---|---|---|
| LCP | 2.2 s | 1.9 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.