Authentication
Who left Facebook Login, and who still runs it
25,038 websites in the top 1M run Facebook Login, observed directly from the rendered page in the July 2026 crawl.
5,143
stopped running it that month
309
of those are 11–500 employees
3,327
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Facebook Login
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 89%jQuery 88%Open Graph 78%Cloudflare 65%Google Tag Manager 64%core-js 59%PHP 56%Google Font API 56%Bootstrap 43%Facebook Pixel 39%
Share of a 3,000-domain sample of Facebook Login users that also run each.