CDN
Who left Amazon S3, and who still runs it
39,143 websites in the top 1M run Amazon S3, observed directly from the rendered page in the July 2026 crawl.
6,881
stopped running it that month
640
of those are 11–500 employees
26,647
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Amazon S3
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Amazon Web Services 100%core-js 80%Open Graph 78%Cloudflare 72%Google Analytics 70%Google Tag Manager 59%HSTS 58%HTTP/3 56%Priority Hints 54%Facebook Pixel 53%
Share of a 3,000-domain sample of Amazon S3 users that also run each.