Chart.js vs KaTeX

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

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 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 54,017

2,551

India 28,724

2,484

Germany 24,266

1,270

Italy 22,638

892

United Kingdom 20,687

1,225

Spain 20,634

981

France 20,440

1,103

Brazil 19,935

1,123

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

Real user performance

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.

All Chart.js sites · All KaTeX sites