What powers d3.com?
Last seen Aug 2026 · 19 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Sep 2025
Caching
Varnish
since Oct 2025
CDN
Cloudflare
since Jul 2019
jsDelivr
since Sep 2025
CMS
Amazon SES
since Sep 2025
Sendgrid
since Sep 2025
Font scripts
Google Font API
since Sep 2025
JavaScript frameworks
React
since Oct 2025
JavaScript libraries
Marketing automation
HubSpot
since Sep 2025
Miscellaneous
PaaS
Amazon Web Services
since Sep 2025
Photo galleries
PhotoSwipe
since Oct 2025
Programming languages
Node.js
since Oct 2025
Surveys
Tally
since Jul 2026
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 53% desktop
- 48% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.27 / 10 · ranked #1,161,144 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 35.8 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.d3.com | 14 |
| d3.com | 10 |
| www.d3.com | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Next.js Aug 2026
- dropped Next.js App Router Aug 2026
- dropped Priority Hints Aug 2026
- dropped Radix UI Aug 2026
- dropped shadcn/ui Aug 2026
- dropped Tailwind CSS Aug 2026
- dropped Webpack Aug 2026
- detected Google Font API Jul 2026
- detected Tally Jul 2026
- dropped Bootstrap Feb 2026
- dropped cdnjs Feb 2026
- dropped Font Awesome Feb 2026
- dropped Google Font API Feb 2026
- dropped jQuery CDN Feb 2026
- dropped reCAPTCHA Feb 2026
- dropped Slick Feb 2026
- dropped Typekit Feb 2026
- detected Next.js Jan 2026
- detected Next.js App Router Jan 2026
- detected Priority Hints Jan 2026
- detected Radix UI Jan 2026
- detected shadcn/ui Jan 2026
- detected Tailwind CSS Jan 2026
- detected Webpack Jan 2026
- dropped Cloudflare Bot Management Nov 2025
- detected Cloudflare Browser Insights Nov 2025
- detected reCAPTCHA Nov 2025
- detected HTTP/3 Oct 2025