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 |
|---|---|---|---|
| justformen.com | #292,500 | Akamai Edge DNS, Backbone.js, Bazaarvoice + 11 more | Find emails |
| samruddhicomputer.com | #293,095 | Bootstrap, Font Awesome, Google Fonts + 5 more | Find emails |
| almosthomekennels.com | #293,150 | Branch, Cloudflare, Cloudflare edge/CDN + 8 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| docsteach.org | #293,547 | Font Awesome, Google Tag Manager, Google Trust Services + 6 more | Find emails |
| ahcorporation.com | #293,577 | Apache, Bootstrap, Bunny Fonts + 6 more | Find emails |
| powerbreatheturkiye.com | #293,696 | Font Awesome, Google Analytics, Google Fonts + 12 more | Find emails |
| ithotline.ru | #293,821 | Elementor, Google Fonts, Let's Encrypt + 7 more | Find emails |
| capp.ca | #293,840 | Backbone.js, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| peneliti.net | #293,955 | Apache, Divi, Google Fonts + 5 more | Find emails |
| adultfriendfinder.onl | #294,069 | Cloudflare edge/CDN, Google Analytics, Google Fonts + 7 more | Find emails |
| care.edu.in | #294,135 | Apache, Bootstrap, Font Awesome + 15 more | Find emails |
| zeevee.com | #294,211 | ASP.NET, Bootstrap, Cloudflare + 16 more | Find emails |
| out.gr | #294,518 | Bootstrap, Bunny Fonts, Font Awesome + 6 more | Find emails |
| blackpool.gov.uk | #295,193 | ASP.NET, Bootstrap, Contensis + 7 more | Find emails |
| reportforamerica.org | #295,212 | Bluesky, Cloudflare, Cloudflare Bot Management + 15 more | Find emails |
| ye-mo.org.il | #295,558 | AOS, Cloudflare, Cloudflare edge/CDN + 13 more | Find emails |
| savolly.ro | #295,825 | Apache, Bootstrap, Font Awesome + 8 more | Find emails |
| 35mmc.com | #295,978 | CleanTalk, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| saasoptics.com | #296,170 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 13 more | Find emails |
| juve.de | #296,472 | ConsentMo, Google Analytics, Google Tag Manager + 8 more | Find emails |
| realworldtech.com | #296,551 | Amazon Route 53, Apache, Google Publisher Tag + 3 more | Find emails |
| thinkwell.global | #296,889 | Adobe Fonts (Typekit), Backbone.js, Bootstrap + 19 more | Find emails |
| organissimo.org | #297,179 | Apache, Let's Encrypt, WordPress + 1 more | Find emails |
| atlas.cern | #297,386 | AddThis, Bluesky, Bootstrap + 9 more | Find emails |
| owensborotimes.com | #297,474 | Adobe Fonts (Typekit), 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 →