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+
48
2
Open Page Rank 8+
883
13
Open Page Rank 7+
3,106
73
Open Page Rank 6+
5,438
121
Open Page Rank 5+
8,607
184
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
48,182
475
India
25,375
569
Germany
21,390
293
Italy
19,374
163
United Kingdom
18,271
238
Brazil
18,003
415
Spain
17,614
159
France
17,096
187
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 | 800 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.
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 |