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 |
|---|---|---|---|
| up-t.jp | #334,187 | A8.net, Amazon (ACM), Amazon Route 53 + 16 more | Find emails |
| consciousdiscipline.com | #335,247 | Cloudflare, Cloudflare edge/CDN, Elementor + 9 more | Find emails |
| irishtoolsshop.com | #335,442 | Bootstrap, CookieYes, Font Awesome + 14 more | Find emails |
| #1,036 (Tranco) |
| Find emails |
| 5 | alphonso.tv | #1,063 (Tranco) | Find emails |
| gamipress.com | #335,592 | All in One SEO, Google Analytics, Google Fonts + 9 more | Find emails |
| j316gallery.com | #335,741 | Bootstrap, Cloudflare, Cloudflare Turnstile + 13 more | Find emails |
| jcweb.net | #335,743 | Cloudflare, Cloudflare edge/CDN, Daum + 6 more | Find emails |
| unpluggedperformance.com | #336,138 | Adobe Fonts (Typekit), Ahrefs Analytics, Cloudflare + 15 more | Find emails |
| friends.edu | #336,247 | Adobe Fonts (Typekit), Fastly, Google Analytics + 6 more | Find emails |
| longbientruck.com | #336,305 | Cloudflare, Cloudflare edge/CDN, Google Hosted Libraries + 7 more | Find emails |
| clubdeperrosygatos.cl | #336,562 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 12 more | Find emails |
| rtvnof.nl | #336,738 | Apache, Backbone.js, Fancybox + 9 more | Find emails |
| avionrewards.com | #337,266 | Akamai edge/CDN, Akamai mPulse, Bootstrap + 4 more | Find emails |
| hever.org | #337,467 | Apache, Font Awesome, Google Fonts + 4 more | Find emails |
| minivanrentalireland.com | #337,651 | Apache, Fancybox, Let's Encrypt + 3 more | Find emails |
| studiopress.community | #338,073 | Adobe Fonts (Typekit), Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| fondation-lamap.org | #338,193 | AOS, AddToAny, Apache + 9 more | Find emails |
| bottradionetwork.com | #338,205 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 14 more | Find emails |
| faypwc.com | #338,396 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Analytics + 8 more | Find emails |
| eshomdds.com | #338,482 | Ahrefs Analytics, Bootstrap, Cloudflare + 14 more | Find emails |
| ayurvita.org | #338,504 | Cashfree, Google Fonts, Gravatar + 6 more | Find emails |
| gravia.com | #338,550 | Amazon CloudFront, Bootstrap, Font Awesome + 10 more | Find emails |
| famillesrurales.org | #338,732 | Apache, Bootstrap, ConsentMo + 11 more | Find emails |
| newsd.in | #338,751 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 16 more | Find emails |
| dubrovniknet.hr | #338,885 | Apache, Google Analytics, Google Fonts + 7 more | Find emails |
| billboardphilippines.com | #338,886 | AddToAny, Adobe Fonts (Typekit), All in One SEO + 13 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 →