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 |
|---|---|---|---|
| inhaltsangabe.de | #456,797 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| taxicode.com | #456,848 | Google Fonts, Google Hosted Libraries, Google Maps + 9 more | Find emails |
| koreanshop.ca | #456,967 | Bootstrap, Font Awesome, Google Fonts + 13 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| realto.ru | #457,130 | Backbone.js, Django, LiveInternet (Yadro) + 4 more | Find emails |
| smartup.online | #457,481 | AngularJS, Bootstrap, Cloudflare + 3 more | Find emails |
| firstrainingsalud.edu.pe | #457,547 | Apache, Backbone.js, Font Awesome + 6 more | Find emails |
| motonews.pl | #457,892 | Apache, DoubleClick (Google Ads), Google AdSense + 11 more | Find emails |
| dirittobancario.it | #457,980 | Google Fonts, Google Tag Manager, Let's Encrypt + 11 more | Find emails |
| producebluebook.com | #458,065 | Cloudflare Bot Management, Cloudflare edge/CDN, CookieHub + 16 more | Find emails |
| writerspace.com | #458,137 | All in One SEO, CleanTalk, Cloudflare + 14 more | Find emails |
| mindxtop.com | #458,357 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| arae.cc | #458,955 | Cloudflare, Cloudflare Turnstile, Google Analytics + 7 more | Find emails |
| nova.ie | #459,235 | Backbone.js, Cloudflare, Cloudflare Bot Management + 14 more | Find emails |
| ridetech.com | #459,679 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 16 more | Find emails |
| playpelis.net | #459,697 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| eupati.eu | #459,786 | Cloudflare, Cloudflare Turnstile, Cloudflare Web Analytics + 18 more | Find emails |
| yourcommission.org | #459,858 | Bootstrap, Drupal, Font Awesome + 15 more | Find emails |
| autoalloys.com | #460,549 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 15 more | Find emails |
| nintendojo.com | #460,553 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| mythomson.com | #460,684 | Cloudflare edge/CDN, Google Tag Manager, Let's Encrypt + 7 more | Find emails |
| cavernclub.com | #460,747 | Cloudflare, Fancybox, Font Awesome + 17 more | Find emails |
| alpine-pools.com | #460,796 | Bootstrap, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| turgame.com | #460,829 | Brevo, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| fabripure.com | #461,063 | Bootstrap, Font Awesome, Google Fonts + 8 more | Find emails |
| parentdata.org | #461,292 | Bootstrap, Cloudflare, Cloudflare Bot Management + 17 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 →