Build Tools & Dev Infrastructure
1,957 of the 1,000,000 top sites in our Tranco top-1M census run Rollup (0.2%). A JavaScript module bundler that compiles small code pieces into a single optimized bundle, popular for building libraries. Detection is homepage-level HTML/header fingerprinting, so a site can run Rollup on other pages without it showing here.
Other build tools & dev infrastructure
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | zoom.us | #76 (Tranco) | Find emails |
| 2 | shein.com | #491 (Tranco) | Find emails |
| 3 | newrelic.com | #718 (Tranco) | Find emails |
| 4 | fiverr.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| ascendoor.com | #34,614 | All in One SEO, Google Analytics, Google Tag Manager + 8 more | Find emails |
| xiaoeknow.com | #36,746 | Nuxt.js, OpenResty, Swiper + 2 more | Find emails |
| checkli.com | #36,845 | Chargebee, Fastmail, Google Fonts + 4 more | Find emails |
| #769 (Tranco) |
| Find emails |
| 5 | espncricinfo.com | #1,092 (Tranco) | Find emails |
| th-rosenheim.de |
| #37,595 |
| Apache, Font Awesome, TYPO3 |
| Find emails |
| leica-geosystems.com | #37,737 | ASP.NET, Adyen, Amazon Route 53 + 26 more | Find emails |
| italiaonline.it | #38,508 | Amazon CloudFront, Bootstrap, Font Awesome + 20 more | Find emails |
| votresite.ca | #39,119 | Bootstrap, Drupal, Font Awesome + 9 more | Find emails |
| readpeak.com | #39,663 | Apache, Bootstrap, Google Analytics + 10 more | Find emails |
| acfun.cn | #40,222 | Alibaba Cloud CDN, Alibaba Cloud DNS, Baidu Analytics + 8 more | Find emails |
| kayak.fr | #40,860 | Fastly, Google Analytics, Google Tag Manager + 2 more | Find emails |
| pinnacle.com | #43,837 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 4 more | Find emails |
| bci.cl | #44,134 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 3 more | Find emails |
| sportmonks.com | #44,192 | Adobe Fonts (Typekit), Cloudflare, Cloudflare Bot Management + 26 more | Find emails |
| zdnet.co.uk | #44,537 | Chartbeat, DoubleClick (Google Ads), Google Analytics + 8 more | Find emails |
| the-express.com | #44,701 | Amazon (ACM), Amazon Advertising, Amazon CloudFront + 16 more | Find emails |
| willnet.ne.jp | #45,148 | Google Analytics, Google Tag Manager, LiteSpeed + 5 more | Find emails |
| audima.co | #45,634 | Cloudflare, Cloudflare edge/CDN, Google Ads Conversion + 10 more | Find emails |
| kayak.es | #45,729 | Fastly, Google Analytics, Google Tag Manager + 2 more | Find emails |
| shazoo.ru | #47,677 | Cloudflare, Google Analytics, Google Fonts + 4 more | Find emails |
| shein.com.co | #47,997 | Amazon Route 53, DigiCert, OpenResty | Find emails |
| kayak.com.br | #48,243 | Fastly, Google Analytics, Google Tag Manager + 2 more | Find emails |
| swoodoo.com | #48,364 | Fastly, Google Analytics, Google Tag Manager + 2 more | Find emails |
| blog.bg | #49,503 | Apache, DoubleClick (Google Ads), Gemius + 9 more | Find emails |
| finuslugi.ru | #49,511 | Google Tag Manager, Next.js, Nginx + 4 more | Find emails |
| minnanokaigo.com | #50,436 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
From the Crawlora Website Tech Stack Dataset, a homepage-level fingerprint of a 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →