CAPTCHA & Bot Protection
927 of the 1,000,000 top sites in our Tranco top-1M census run Yandex SmartCaptcha (0.1%). Yandex's CAPTCHA challenge product for filtering bot traffic. Detection is homepage-level HTML/header fingerprinting, so a site can run Yandex SmartCaptcha on other pages without it showing here.
Other captcha & bot protection
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | firstvds.ru | #1,843 (Tranco) | Find emails |
| 2 | nag.ru | #3,951 (Tranco) | Find emails |
| 3 | kommersant.ru | #4,865 (Tranco) | Find emails |
| 4 | punchmedia.ru |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| ofd-initpro.ru | #25,633 | Amazon Route 53, Bootstrap, Fancybox + 8 more | Find emails |
| baltbet.ru | #26,447 | Cloudflare, Matomo, Mindbox + 3 more | Find emails |
| unisender.com | #26,620 | DDoS-Guard, Google Fonts, Google Tag Manager + 10 more | Find emails |
| #6,215 (Tranco) |
| Find emails |
| 5 | irecommend.ru | #6,269 (Tranco) | Find emails |
| facecast.net | #27,310 | AOS, Google Analytics, Google Cloud DNS + 11 more | Find emails |
| crystals.ru | #28,456 | Bitrix, Google Fonts, Let's Encrypt + 7 more | Find emails |
| technomoscow.ru | #28,746 | Bitrix, Fancybox, Font Awesome + 9 more | Find emails |
| metro-set.ru | #29,387 | Apache, BotFAQtor, Let's Encrypt + 10 more | Find emails |
| rt-solar.ru | #29,785 | Bitrix, Google Tag Manager, Nginx + 5 more | Find emails |
| multifactor.ru | #30,152 | Gravatar, Nginx, Telegram + 2 more | Find emails |
| rnds.pro | #30,547 | Let's Encrypt, Nginx, Ruby on Rails + 2 more | Find emails |
| reso.ru | #30,645 | Telegram, Yandex Metrica | Find emails |
| sberfactoring.ru | #30,687 | Mail.ru Analytics (Top100), Nginx, PHP + 5 more | Find emails |
| ascon.ru | #30,953 | Bootstrap, Fancybox, Font Awesome + 16 more | Find emails |
| igromania.ru | #31,943 | Nginx, PHP | Find emails |
| taximaster.ru | #31,950 | Bitrix, Fancybox, Let's Encrypt + 8 more | Find emails |
| dadata.ru | #32,558 | Google Fonts, Nuxt.js, Qrator + 6 more | Find emails |
| dengisrazy.ru | #33,137 | Google Fonts, Google Tag Manager, Qrator + 3 more | Find emails |
| initpro.ru | #33,783 | Amazon Route 53, Bootstrap, Google Fonts + 4 more | Find emails |
| calend.ru | #34,000 | Font Awesome, Google Fonts, Let's Encrypt + 6 more | Find emails |
| uralsbyt.ru | #34,524 | Bitrix, Google Fonts, Next.js + 7 more | Find emails |
| rlsnet.ru | #35,377 | Bootstrap, Google Fonts, Mail.ru Analytics (Top100) + 6 more | Find emails |
| infolink.ru | #36,609 | Google Fonts, JivoChat, Mail.ru Analytics (Top100) + 5 more | Find emails |
| bigenc.ru | #37,293 | Nuxt.js, OpenStreetMap, Qrator + 2 more | Find emails |
| miko.ru | #37,504 | Amazon Route 53, Let's Encrypt, Nginx + 3 more | Find emails |
| skrinshoter.ru | #38,465 | Cloudflare, Font Awesome, Google Analytics + 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 →