Chart.js vs D3

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

609,619
websites
vs
57,638
websites

Top sites by authority

Chart.js · D3 · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 51 59
Open Page Rank 8+ 874 602
Open Page Rank 7+ 3,052 1,641
Open Page Rank 6+ 5,320 2,437
Open Page Rank 5+ 8,413 3,309

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 · D3 · share of sites in each country using one or the other

United States 47,410 9,971
India 24,979 6,419
Germany 21,175 4,602
Italy 20,268 3,492
United Kingdom 18,448 4,907
Spain 18,944 3,984
Brazil 17,645 4,293
France 17,424 4,022

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

Real user performance

Metric Chart.js D3
LCP 2.2 s 2 s
INP 75 ms 75 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 D3

DomainWhen
peesamac.comSep 2026
monumentalcircus.clAug 2026
icanread.asiaJul 2026
actheogony.comMay 2026
envigado.gov.coMar 2026
esp.ce.gov.brFeb 2026
isuracarhire.comDec 2025
mercerhughesrealestate.comDec 2025
livetest.inOct 2025
tourism.gov.kgOct 2025

D3 to Chart.js

DomainWhen
monumentalcircus.clAug 2026
globalweb1.comJul 2026
upyantratracking.inJul 2026
ufrrj.brJun 2026
actheogony.comMay 2026
envigado.gov.coMar 2026
worldscorecard.comJan 2026
mwrealestateco.comDec 2025
mercerhughesrealestate.comDec 2025
livetest.inOct 2025

All Chart.js sites · All D3 sites

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