Chart.js vs KaTeX

Head-to-head usage across the sites we track.

612,918
websites
vs
15,305
websites

Top sites by authority

Chart.js · KaTeX · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 51 24
Open Page Rank 8+ 858 157
Open Page Rank 7+ 2,989 393
Open Page Rank 6+ 5,233 587
Open Page Rank 5+ 8,295 810

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 · KaTeX · share of sites in each country using one or the other

United States 47,410 2,473
India 24,979 2,471
Germany 21,175 1,164
Italy 20,268 871
Spain 18,944 939
United Kingdom 18,448 1,184
Brazil 17,645 1,105
France 17,424 1,011

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Metric Chart.js KaTeX
LCP 2.2 s 2.1 s
INP 75 ms 100 ms
CLS 0 0
TTFB 1000 ms 700 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 KaTeX

DomainWhen
learnmitra.comJul 2026
converterok.comMar 2026
britishacademiadeingles.comMar 2026
landbruksdirektoratet.noFeb 2026
engenheirosassociados.com.brFeb 2026

KaTeX to Chart.js

DomainWhen
debridge.comMay 2026
engenheirosassociados.com.brFeb 2026
radar.comJan 2026

All Chart.js sites · All KaTeX sites

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