Security
Who left reCAPTCHA, and who still runs it
109,505 websites in the top 1M run reCAPTCHA, observed directly from the rendered page in the July 2026 crawl.
23,233
stopped running it that month
1,402
of those are 11–500 employees
26,538
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running reCAPTCHA
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Google Analytics 82%Open Graph 77%jQuery 74%Google Tag Manager 69%Cloudflare 68%Google Font API 59%PHP 59%core-js 52%HTTP/3 43%Google AdSense 41%
Share of a 3,000-domain sample of reCAPTCHA users that also run each.