Security

Who left hCaptcha, and who still runs it

3,320 websites in the top 1M run hCaptcha, observed directly from the rendered page in the July 2026 crawl.

1,185
stopped running it that month
65
of those are 11–500 employees
3,212
adopted it in the last year

Confirmed across two consecutive crawls, not a single month. Build the list →

Some companies running hCaptcha

Every row in a full list carries the prospect's whole detected stack.

craigslist craigslist.org11-50 · internet · 8 technologies
suno suno.com11-50 · internet · 41 technologies
fab.com fab.com11-50 · internet · 12 technologies
adrenaline adrenaline.com.br11-50 · online media · 42 technologies
jobs.ac.uk jobs.ac.uk11-50 · staffing and recruiting · 24 technologies
(株)丸善ジュンク堂書店 maruzenjunkudo.co.jp11-50 · retail · 31 technologies
gptzero gptzero.me11-50 · computer software · 56 technologies
electrive electrive.net11-50 · media production · 18 technologies

Not currently available as a list.

What else they run

Cloudflare 84%Open Graph 82%HSTS 76%Cloudflare Bot Management 73%Google Analytics 72%core-js 69%HTTP/3 62%Priority Hints 60%jQuery 60%Cart Functionality 51%

Share of a 3,000-domain sample of hCaptcha users that also run each.

Company size

1-10635
11-50356
51-200234
201-500178
1001-5000147
501-1000100

Others in Security

HSTS 296,724Cloudflare Bot Management 157,246reCAPTCHA 109,505Cloudflare Turnstile 25,583Really Simple SSL & Security 9,309Akamai Bot Manager 2,307DDoS-Guard 1,994Confiant 1,749