Security
Who left HSTS, and who still runs it
296,724 websites in the top 1M run HSTS, observed directly from the rendered page in the July 2026 crawl.
23,133
stopped running it that month
1,142
of those are 11–500 employees
83,874
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running HSTS
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Open Graph 77%Cloudflare 71%Google Analytics 68%core-js 64%jQuery 59%Priority Hints 52%HTTP/3 49%Google Tag Manager 47%Cart Functionality 41%Facebook Pixel 40%
Share of a 3,000-domain sample of HSTS users that also run each.