Chart.js vs D3

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

593,727
websites
vs
56,533
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+ 52 57
Open Page Rank 8+ 903 612
Open Page Rank 7+ 3,177 1,685
Open Page Rank 6+ 5,538 2,506
Open Page Rank 5+ 8,772 3,413

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 54,017 11,154
India 28,724 7,186
Germany 24,266 5,339
Italy 22,638 4,056
United Kingdom 20,687 5,477
France 20,440 4,841
Spain 20,634 4,461
Brazil 19,935 4,754

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 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 D3

DomainWhen
envigado.gov.coMar 2026
esp.ce.gov.brFeb 2026
isuracarhire.comDec 2025
mercerhughesrealestate.comDec 2025
livetest.inOct 2025
tourism.gov.kgOct 2025
technostacks.comSep 2025
ooya.techSep 2025
nsc.org.inAug 2025
hebrombeneficios.com.brJul 2025

D3 to Chart.js

DomainWhen
ufrrj.brJun 2026
envigado.gov.coMar 2026
worldscorecard.comJan 2026
mwrealestateco.comDec 2025
mercerhughesrealestate.comDec 2025
livetest.inOct 2025
nsc.org.inAug 2025
hebrombeneficios.com.brJul 2025
sanibelrealtors.comJul 2025

All Chart.js sites · All D3 sites

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