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+
51
4
Open Page Rank 8+
858
17
Open Page Rank 7+
2,989
49
Open Page Rank 6+
5,233
66
Open Page Rank 5+
8,295
102
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
46,029
358
India
24,008
266
Germany
20,619
117
Italy
19,336
90
Spain
18,349
97
United Kingdom
17,859
148
Brazil
17,127
126
France
16,457
110
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, Oct 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.