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 |
|---|---|---|---|
| israwatch.cc | #792,847 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 6 more | Find emails |
| isssteleon.gob.mx | #792,857 | All in One SEO, Bootstrap, Google Analytics + 12 more | Find emails |
| izone.net.np | #793,206 | Bootstrap, Fancybox, Font Awesome + 8 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| jacarei.sp.gov.br | #793,369 | Bootstrap, Cloudflare, Fancybox + 14 more | Find emails |
| jakomo.co.kr | #793,546 | AOS, Adobe Fonts (Typekit), Apache + 13 more | Find emails |
| janspekter.com | #793,641 | Apache, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| jatodosmods.com | #793,720 | Font Awesome, Google Fonts, Hostinger + 9 more | Find emails |
| jav037.com | #793,727 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| jiskreni.cz | #794,305 | Backbone.js, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| jobo.sc | #794,595 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 10 more | Find emails |
| joseedistasio.ca | #794,796 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 13 more | Find emails |
| jrnclothing.com | #794,940 | Apache, Bootstrap, Font Awesome + 6 more | Find emails |
| jub.hr | #795,029 | Backbone.js, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| julietamakeup.com.co | #795,119 | Font Awesome, Google Fonts, Google Tag Manager + 8 more | Find emails |
| kabushikigaisya-rigakubody.co.jp | #795,611 | Backbone.js, Fancybox, Font Awesome + 10 more | Find emails |
| kadmec.com | #795,627 | Bootstrap, Font Awesome, Google Ads Conversion + 14 more | Find emails |
| kaitharistudio.in | #795,704 | Adobe Fonts (Typekit), Bootstrap, CleanTalk + 16 more | Find emails |
| kanko.com.mx | #795,911 | Cloudflare, Cloudflare edge/CDN, CrazyEgg + 12 more | Find emails |
| kasargodvartha.com | #796,110 | AnyMind Group, Font Awesome, Google AdSense + 4 more | Find emails |
| kaspi.cl | #796,127 | Cloudflare, Google Fonts, Let's Encrypt + 4 more | Find emails |
| kaykraft.com | #796,240 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 7 more | Find emails |
| kckslottt.com | #796,313 | Branch, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| keishin-net.jp | #796,425 | ASP.NET, All in One SEO, Bootstrap + 8 more | Find emails |
| kenzojeans.com.co | #796,540 | Amazon Route 53, Bootstrap, Cloudflare Bot Management + 14 more | Find emails |
| keriland.gr | #796,580 | Font Awesome, Google Ads Conversion, Google Analytics + 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 →