RUM
Who left SpeedCurve, and who still runs it
417 websites in the top 1M run SpeedCurve, observed directly from the rendered page in the July 2026 crawl.
24
stopped running it that month
9
of those are 11–500 employees
208
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running SpeedCurve
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 85%Google Analytics 85%Google Tag Manager 84%HSTS 84%Priority Hints 71%Cloudflare 69%core-js 69%Microsoft Advertising 54%Cloudflare Bot Management 49%HTTP/3 48%
Share of a 417-domain sample of SpeedCurve users that also run each.