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 |
|---|---|---|---|
| sflowers-russia.com | #920,117 | Let's Encrypt, Nginx | Find emails |
| b2c-connect.ru | #920,415 | Google Hosted Libraries, Nginx, PHP + 2 more | Find emails |
| dactor.ru | #922,482 | Bitrix, Let's Encrypt, Nginx + 4 more | Find emails |
| #6,215 (Tranco) |
| Find emails |
| 5 | irecommend.ru | #6,269 (Tranco) | Find emails |
| alcoclinic.ru |
| #923,489 |
| Bitrix, BotFAQtor, Fancybox + 9 more |
| Find emails |
| teh-lab.ru | #923,528 | Google Fonts, Nginx, Slick Carousel + 6 more | Find emails |
| servicemart.ru | #925,901 | Fancybox, Google Analytics, Google Tag Manager + 8 more | Find emails |
| perm-community.ru | #940,835 | AOS, Google Analytics, Google Tag Manager + 7 more | Find emails |
| finechem-mirea.ru | #951,859 | Google Analytics, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| wow2print.com | #951,880 | Bootstrap, Font Awesome, Google Fonts + 12 more | Find emails |
| cryptoarm.ru | #952,830 | Bitrix, Google Fonts, Let's Encrypt + 5 more | Find emails |
| mie-luxe.ru | #952,855 | Bitrix, Bootstrap, DoubleClick (Google Ads) + 11 more | Find emails |
| nutricia-medical.ru | #952,975 | Bitrix, Google Fonts, Let's Encrypt + 7 more | Find emails |
| pomponchik.com | #954,899 | Let's Encrypt, Nginx, Nuxt.js + 4 more | Find emails |
| yesprimorsky.ru | #954,912 | BotFAQtor, Let's Encrypt, Mail.ru Analytics (Top100) + 6 more | Find emails |
| mkplitka.ru | #959,569 | Google Hosted Libraries, Nginx, PHP + 1 more | Find emails |
| resursltd.ru | #960,046 | Bitrix, Bootstrap, Fancybox + 10 more | Find emails |
| fin.ru | #961,524 | Apache, Google Hosted Libraries, jQuery + 1 more | Find emails |
| ulk.ru | #962,320 | Nginx, WordPress, Yoast SEO + 1 more | Find emails |
| buranrussia.ru | #962,691 | Bootstrap, Font Awesome, JivoChat + 9 more | Find emails |
| tgshop.io | #963,192 | CloudPayments, Cloudflare edge/CDN, Font Awesome + 12 more | Find emails |
| trusted.ru | #964,746 | Bitrix, Google Fonts, Let's Encrypt + 4 more | Find emails |
| fskfamily.ru | #965,552 | AdRiver, Bitrix, Let's Encrypt + 5 more | Find emails |
| trustlink.ru | #966,030 | Let's Encrypt, Nginx, VK + 3 more | Find emails |
| whiterise.su | #969,231 | Bootstrap, Cloudflare, DDoS-Guard + 6 more | Find emails |
| etmedia.tv | #969,572 | Let's Encrypt, Nginx, PHP + 5 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 →