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+
51
2
Open Page Rank 8+
858
13
Open Page Rank 7+
2,989
77
Open Page Rank 6+
5,233
126
Open Page Rank 5+
8,295
192
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
47,410
483
India
24,979
571
Germany
21,175
297
Italy
20,268
162
Spain
18,944
164
United Kingdom
18,448
242
Brazil
17,645
396
France
17,424
182
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, 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.
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 |