How many companies use D3?

TechLeads currently detects D3 on 53,237 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 78,579 pages in September 2026.

Who are D3's biggest competitors?

By number of websites, the largest JavaScript graphics technologies besides D3 are WOW (693,733), Chart.js (475,064), particles.js (467,218), anime.js (249,916), Three.js (164,810).

Which companies use D3?

Websites using D3 include instapaper.com, letsencrypt.org, bt.dk, fdic.gov, json-ld.org, tapas.io. The full list of 53,237 websites can be exported as a CSV for $29.

D3 market share and customers

As of October 8, 2026, D3 is used by 53,237 websites in the TechLeads index: 2.1% of all JavaScript graphics detections, the 7th most-used of 52 JavaScript graphics technologies.

53,237

websites using D3

2.1%

share of JavaScript graphics

of 52 in JavaScript graphics

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "D3 Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/d3/market-share

HTML link

<a href="https://techleads.fyi/technology/d3/market-share">D3 market share (TechLeads data)</a>

D3 vs competitors in JavaScript graphics

Websites using each technology in the TechLeads index, and its share of all JavaScript graphics detections.

#	Technology	Websites	Share
1	WOW	693,733	27.8%
2	Chart.js	475,064	19.0%
3	particles.js	467,218	18.7%
4	anime.js	249,916	10.0%
5	Three.js	164,810	6.6%
6	MathJax	62,226	2.5%
7	D3	53,237	2.1%

D3 usage over time

In HTTP Archive's monthly crawl of public websites, D3 was detected on 78,579 pages in September 2026, down 11.7% from a year earlier (peak: 101,298). Among the 1,000 most-visited sites, it appeared on 1. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other JavaScript Graphics technologies in HTTP Archive: Chart.js 617,482, anime.js 533,422, particles.js 414,722, Three.js 179,437, MathJax 113,955.

D3 customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US391
ES87
BR78
JP62
DE60
GB59
FR45
IT26
KR21
CA20

Companies using D3

instapaper.com
letsencrypt.org
bt.dk · B.T.
fdic.gov
json-ld.org
tapas.io · Chang Kim
shkspr.mobi
nbcnews.com · NBC News
parentsquare.com
portfolio.hu · NET Média Zrt.
unglobalcompact.org
panic.com

See all 53,237 websites using D3 or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects D3 from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is D3's website count divided by the website counts of all JavaScript graphics technologies we track; a site using two JavaScript graphics tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.

FAQ

D3 accounts for 2.1% of JavaScript graphics detections in the TechLeads index (53,237 websites), which makes it the 7th most-used of 52 JavaScript graphics technologies we track.