Chart.js vs Visx
Head-to-head usage across the sites we track.
Top sites by authority
Chart.js · Visx · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
52
3
Open Page Rank 8+
903
8
Open Page Rank 7+
3,177
14
Open Page Rank 6+
5,538
18
Open Page Rank 5+
8,772
23
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 · Visx · share of sites in each country using one or the other
United States
54,017
84
India
28,724
60
Germany
24,266
38
Italy
22,638
31
United Kingdom
20,687
43
Spain
20,634
31
France
20,440
37
Brazil
19,935
42
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Chart.js | Visx |
|---|---|---|
| LCP | 2.2 s | 2.3 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 600 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.