Chart.js vs ZingChart
Head-to-head usage across the sites we track.
Top sites by authority
Chart.js · ZingChart · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
51
0
Open Page Rank 8+
874
4
Open Page Rank 7+
3,052
10
Open Page Rank 6+
5,320
21
Open Page Rank 5+
8,413
32
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 · ZingChart · share of sites in each country using one or the other
United States
47,410
80
India
24,979
112
Germany
21,175
38
Italy
20,268
29
Spain
18,944
27
United Kingdom
18,448
44
Brazil
17,645
33
France
17,424
27
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Chart.js | ZingChart |
|---|---|---|
| LCP | 2.2 s | 2.1 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 650 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.