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 |
|---|---|---|---|
| eusp.org | #723,220 | Apache, Bootstrap, CloudPayments + 7 more | Find emails |
| thefootballbrainiacs.com | #723,343 | AddToAny, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| izkg.ru | #723,374 | Fancybox, Font Awesome, Google Fonts + 6 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| bulletproofmusician.com | #723,619 | Chart.js, Clicky, Cloudflare + 9 more | Find emails |
| wickeddevice.com | #723,720 | Apache, Backbone.js, Let's Encrypt + 7 more | Find emails |
| sped-v.de | #723,749 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 4 more | Find emails |
| kintafitness.com.au | #723,782 | Cloudflare, Cloudflare edge/CDN, Google Ads Conversion + 11 more | Find emails |
| cellmart.pk | #723,819 | Font Awesome, Google Analytics, Google Fonts + 9 more | Find emails |
| stlouisreview.com | #723,986 | Bootstrap, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| onyxgfx.com | #724,127 | AOS, ActiveCampaign, Backbone.js + 20 more | Find emails |
| philmech.gov.ph | #724,183 | ASP.NET, AddThis, Apache + 13 more | Find emails |
| truestall.com | #724,294 | Bootstrap, Font Awesome, Google Fonts + 9 more | Find emails |
| kikijewelrydiy.com | #724,376 | Hostinger, Let's Encrypt, LiteSpeed + 5 more | Find emails |
| michiganwebsitedesignllc.com | #724,513 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| tctimes.com | #724,576 | AddToAny, All in One SEO, Apache + 10 more | Find emails |
| odellbrewing.com | #724,701 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 14 more | Find emails |
| creartivesweden.se | #725,203 | Font Awesome, Google Analytics, Google Tag Manager + 8 more | Find emails |
| cannabistraininguniversity.com | #725,205 | ActiveCampaign, Ahrefs Analytics, ChatGPT Ads Pixel + 16 more | Find emails |
| proxieslive.com | #725,411 | Cloudflare edge/CDN, Font Awesome, Google Analytics + 10 more | Find emails |
| onlinebyapar.com | #725,728 | Cloudflare, Font Awesome, Google Fonts + 6 more | Find emails |
| technexuses.com | #725,822 | Bootstrap, Font Awesome, Google Fonts + 10 more | Find emails |
| chanakyya.com | #726,174 | AngularJS, Apache, Bootstrap + 17 more | Find emails |
| dicasdereforma.com.br | #726,237 | Backbone.js, Google Tag Manager, Gravatar + 5 more | Find emails |
| eligoldgallery.com | #726,274 | Cloudflare, Let's Encrypt, LiteSpeed + 7 more | Find emails |
| janaushadhistore.online | #726,454 | All in One SEO, Bootstrap, Font Awesome + 10 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 →