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 |
|---|---|---|---|
| santotomas.cl | #107,222 | Axios, Backbone.js, Citrix NetScaler + 15 more | Find emails |
| celecoxibinfo.com | #107,384 | Branch, Cloudinary, Google Maps + 7 more | Find emails |
| gravesales.com | #107,429 | CleanTalk, Font Awesome, Foundation + 13 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| goya.com | #107,948 | AddToAny, Akamai Edge DNS, Cloudflare Bot Management + 14 more | Find emails |
| adventurecycling.org | #108,223 | Bootstrap, Cloudflare Bot Management, Cloudflare edge/CDN + 15 more | Find emails |
| imdea.org | #108,363 | Apache, Backbone.js, Bluesky + 17 more | Find emails |
| cafe.tg | #108,427 | Apache, Bootstrap, Fancybox + 12 more | Find emails |
| wan-ifra.org | #108,518 | AddToAny, Adobe Fonts (Typekit), Cloudflare + 12 more | Find emails |
| prefeitura.rio | #108,611 | Backbone.js, Bootstrap, CookieYes + 7 more | Find emails |
| eurordis.org | #108,801 | Adobe Fonts (Typekit), Foundation, Google Analytics + 12 more | Find emails |
| piratenpartei.ch | #108,806 | Bluesky, Elementor, Let's Encrypt + 3 more | Find emails |
| buzzstream.com | #109,025 | Awin, Bootstrap, Cloudflare Bot Management + 17 more | Find emails |
| sencanada.ca | #109,099 | Bootstrap, Font Awesome, Google Analytics + 2 more | Find emails |
| macdailynews.com | #109,237 | Font Awesome, Google AdSense, Google Analytics + 11 more | Find emails |
| feig-partner.de | #109,321 | Adobe Fonts (Typekit), Amazon Route 53, Apache + 7 more | Find emails |
| wxb.com | #109,338 | Baidu Analytics, Baidu Maps, Bootstrap + 5 more | Find emails |
| leadscloud.com | #109,591 | Baidu Analytics, Cloudflare, GSAP + 7 more | Find emails |
| smart-stb.net | #109,992 | CookieYes, Google Analytics, Google Tag Manager + 9 more | Find emails |
| thegeorgiagazette.com | #110,057 | BigScoots, Cloudflare, Cloudflare Bot Management + 8 more | Find emails |
| tela-botanica.org | #110,174 | Apache, Cloudflare Turnstile, Google Analytics + 4 more | Find emails |
| audinate.com | #110,349 | Cloudflare, Cloudflare Bot Management, Cloudflare Web Analytics + 17 more | Find emails |
| icandiapps.com | #110,808 | Amazon Route 53, Backbone.js, CookieYes + 9 more | Find emails |
| esetnod32.ru | #110,905 | Bitrix, Cloudflare, Google Tag Manager + 8 more | Find emails |
| prospin.com.br | #110,920 | Amazon (ACM), Amazon Route 53, Google Tag Manager + 3 more | Find emails |
| yourcloudlibrary.com | #110,972 | Adobe Fonts (Typekit), Amazon Route 53, Apache + 9 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 →