Chart.js vs MathJax
Head-to-head usage across the sites we track.
Top sites by authority
Chart.js · MathJax · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
52
37
Open Page Rank 8+
903
611
Open Page Rank 7+
3,177
1,736
Open Page Rank 6+
5,538
2,707
Open Page Rank 5+
8,772
3,712
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 · MathJax · share of sites in each country using one or the other
United States
54,017
7,112
India
28,724
6,990
Germany
24,266
3,960
Italy
22,638
2,983
United Kingdom
20,687
3,647
Spain
20,634
3,469
France
20,440
3,490
Brazil
19,935
3,385
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Chart.js | MathJax |
|---|---|---|
| LCP | 2.2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 800 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 MathJax
| Domain | When |
|---|---|
| upacifico.edu.py | Feb 2026 |
| oetp.pk | Jan 2026 |
| gonzaga.sch.id | Jul 2025 |
| sman24bdg.sch.id | Jul 2025 |
MathJax to Chart.js
| Domain | When |
|---|---|
| inac.gob.ve | Feb 2026 |