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 |
|---|---|---|---|
| acaciamga.com | #756,583 | Apache, Google Fonts, Microsoft 365 + 4 more | Find emails |
| acmilan.hu | #756,781 | Apache, Google Analytics, Google Fonts + 7 more | Find emails |
| aconcursos.com.br | #756,789 | Cloudflare, Google Ads Conversion, Google Analytics + 11 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| acsonnet.com | #756,820 | AOS, Apache, Bootstrap + 13 more | Find emails |
| actaforte.pl | #756,823 | Apache, Fancybox, Font Awesome + 7 more | Find emails |
| adiguzel.edu.tr | #756,973 | All in One SEO, Bootstrap, Cloudflare + 20 more | Find emails |
| admisionarmada.cl | #757,023 | All in One SEO, Amazon Route 53, Apache + 14 more | Find emails |
| adorage.ro | #757,047 | ConsentMo, Font Awesome, Google Fonts + 8 more | Find emails |
| adsfbih.gov.ba | #757,091 | ASP.NET, Apache, Bootstrap + 16 more | Find emails |
| africa.rs | #757,271 | Bootstrap, Font Awesome, Google Analytics + 8 more | Find emails |
| aghabozorgshop.com | #757,400 | AOS, Bootstrap, Font Awesome + 7 more | Find emails |
| agromil.pl | #757,497 | Apache, Google Analytics, Google Fonts + 10 more | Find emails |
| aguaslindasdegoias.go.gov.br | #757,540 | Google Analytics, Google Fonts, Let's Encrypt + 4 more | Find emails |
| aklasbelapk40.online | #757,947 | Google Analytics, Google Tag Manager, Hostinger + 6 more | Find emails |
| aktau-airport.kz | #757,991 | Bootstrap, DataTables, Font Awesome + 8 more | Find emails |
| akun177winbet.com | #758,006 | Branch, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| al-amgaad.com | #758,027 | Font Awesome, Google Fonts, Hostinger + 7 more | Find emails |
| alahazrat.net | #758,056 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 11 more | Find emails |
| alfanyugdij.hu | #758,211 | Backbone.js, Bootstrap, CookieFirst + 6 more | Find emails |
| alharamainmart.com | #758,245 | Font Awesome, Google Tag Manager, Let's Encrypt + 7 more | Find emails |
| alharamainperfumes.in | #758,246 | Bootstrap, Bunny Fonts, Cloudflare + 13 more | Find emails |
| amazingfilehosting.com | #758,791 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| ambalaje-accesorii-florale.ro | #758,813 | Apache, Font Awesome, Google Fonts + 7 more | Find emails |
| amdhouse.pk | #758,852 | Google Analytics, Google Fonts, Google Tag Manager + 8 more | Find emails |
| amhlearn.com | #758,903 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 7 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 →