JavaScript Library & Framework
6,289 of the 1,000,000 top sites in our Tranco top-1M census run Underscore.js (0.6%). A utility JavaScript library providing functional helper methods for working with arrays, objects, and functions. Detection is homepage-level HTML/header fingerprinting, so a site can run Underscore.js on other pages without it showing here.
Other javascript library & framework
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | uk.com | #532 (Tranco) | Find emails |
| 2 | washington.edu | #773 (Tranco) | Find emails |
| 3 | eu.com | #891 (Tranco) | Find emails |
| 4 | us.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| dreamproxies.com | #56,714 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 11 more | Find emails |
| instamed.com | #57,013 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| airdo.jp | #57,392 | Amazon Route 53, DigiCert, Google Tag Manager + 3 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| kumanichi.com | #57,458 | Amazon CloudFront, AnyMind Group, Apache + 14 more | Find emails |
| midi.org | #57,522 | Cloudflare Turnstile, Google Analytics, Google Tag Manager + 8 more | Find emails |
| maxvandaag.nl | #57,709 | Font Awesome, GSAP, Google Maps + 11 more | Find emails |
| graziamagazine.com | #57,916 | Chartbeat, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| france-galop.com | #58,097 | Adobe Fonts (Typekit), Bootstrap, CookieFirst + 6 more | Find emails |
| merrjep.com | #58,099 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| plantura.garden | #58,155 | Cloudflare, Cloudflare edge/CDN, Didomi + 8 more | Find emails |
| ibj.com | #58,337 | Chartbeat, Cloudflare, Cloudflare edge/CDN + 17 more | Find emails |
| trf6.jus.br | #58,763 | AOS, Amazon Route 53, Backbone.js + 9 more | Find emails |
| forestry.gov.cn | #58,826 | Envoy, Swiper, jQuery | Find emails |
| sportslogos.net | #59,122 | Adobe Fonts (Typekit), Amazon Advertising, Blockthrough + 18 more | Find emails |
| openmediavault.org | #59,387 | All in One SEO, Amazon S3, Bluesky + 10 more | Find emails |
| jaomix.ru | #59,539 | Google Analytics, Google Tag Manager, Let's Encrypt + 6 more | Find emails |
| geochron.com | #59,567 | Brevo, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| commercialobserver.com | #59,577 | Google Fonts, Google Tag Manager, Gravatar + 10 more | Find emails |
| nraila.org | #59,672 | Adobe Fonts (Typekit), Bootstrap, Cloudflare + 9 more | Find emails |
| santander.pt | #59,799 | Adobe Experience Manager Edge Delivery (Helix RUM), Akamai Edge DNS, DoubleClick (Google Ads) + 11 more | Find emails |
| jujuy.edu.ar | #59,891 | Bootstrap, Font Awesome, Google Analytics + 8 more | Find emails |
| viamedica.pl | #60,170 | Bootstrap, ConsentMo, Drupal + 5 more | Find emails |
| astrotalk.com | #60,573 | AddToAny, Amazon (ACM), Amazon CloudFront + 17 more | Find emails |
| blau.de | #60,869 | AngularJS, CSC (Digital Brand Services), Cloudflare Bot Management + 9 more | Find emails |
| rosa.ru | #61,007 | Apache, Bootstrap, Font Awesome + 8 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 →