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.
| # | 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 |
|---|---|---|---|
| dansendeberen.be | #413,389 | AOS, Bootstrap, Font Awesome + 8 more | Find emails |
| sellagroup.eu | #413,495 | Akamai Bot Manager, Akamai edge/CDN, Bootstrap + 9 more | Find emails |
| phoneclub.in | #413,676 | Apache, Font Awesome, Google Analytics + 12 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| shtoranadom.ru | #413,679 | Bootstrap, Fancybox, Google Analytics + 7 more | Find emails |
| smsnet.pl | #413,713 | Bootstrap, CookieYes, Font Awesome + 14 more | Find emails |
| thecurrency.news | #413,928 | Adobe Fonts (Typekit), Clearbit, Cloudflare + 13 more | Find emails |
| silkstart.com | #414,345 | Amazon Route 53, Backbone.js, Google Analytics + 12 more | Find emails |
| dezign-lab.com | #414,373 | Cloudflare, Font Awesome, Google Ads Conversion + 11 more | Find emails |
| enx.com | #414,688 | ASP.NET, Bootstrap, Font Awesome + 5 more | Find emails |
| seethroughny.net | #414,806 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 12 more | Find emails |
| festivalfans.nl | #415,002 | DoubleClick (Google Ads), Font Awesome, Google AMP + 17 more | Find emails |
| felician.edu | #415,201 | Bootstrap, Font Awesome, Google AdSense + 17 more | Find emails |
| journaldelagence.com | #415,442 | Apache, Google Analytics, Google Tag Manager + 10 more | Find emails |
| teseopress.com | #415,495 | Apache, Fancybox, Google Analytics + 12 more | Find emails |
| gutterbookshop.com | #415,587 | Let's Encrypt, Nginx, Stripe + 3 more | Find emails |
| colourcladprofiles.com | #415,595 | Google Fonts, Google Tag Manager, Let's Encrypt + 7 more | Find emails |
| studioeast.net | #415,910 | Font Awesome, Google Trust Services, Hostinger + 8 more | Find emails |
| itsocial.fr | #416,007 | Clicky, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| heroesandvillains.info | #416,066 | Cloudflare Web Analytics, Cloudflare edge/CDN, Google Trust Services + 3 more | Find emails |
| christusmuguerza.com.mx | #416,900 | Bootstrap, Font Awesome, Google Fonts + 11 more | Find emails |
| healthypetstore.co.uk | #416,958 | Bootstrap, Cloudflare Turnstile, Google Tag Manager + 12 more | Find emails |
| flat4ever.com | #417,522 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 7 more | Find emails |
| isi-web.org | #417,677 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 12 more | Find emails |
| advizr.com | #417,730 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 12 more | Find emails |
| fadoq.ca | #417,767 | CookieYes, DoubleClick (Google Ads), Font Awesome + 14 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 →