Chart.js vs xCharts
Head-to-head usage across the sites we track.
Top sites by authority
Chart.js · xCharts · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
52
2
Open Page Rank 8+
903
10
Open Page Rank 7+
3,177
68
Open Page Rank 6+
5,538
118
Open Page Rank 5+
8,772
178
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 · xCharts · share of sites in each country using one or the other
United States
54,017
505
India
28,724
629
Germany
24,266
341
Italy
22,638
182
United Kingdom
20,687
263
Spain
20,634
174
France
20,440
212
Brazil
19,935
436
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Chart.js | xCharts |
|---|---|---|
| LCP | 2.2 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Chart.js to xCharts
| Domain | When |
|---|---|
| isuracarhire.com | Dec 2025 |
| tourism.gov.kg | Oct 2025 |