Analytics
Who left Quantcast Measure, and who still runs it
4,414 websites in the top 1M run Quantcast Measure, observed directly from the rendered page in the July 2026 crawl.
581
stopped running it that month
40
of those are 11–500 employees
1,180
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Quantcast Measure
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 92%Cloudflare 85%Open Graph 84%Google Tag Manager 84%jQuery 76%Cloudflare Bot Management 70%core-js 63%PHP 59%Snowplow Analytics 59%Google Font API 58%
Share of a 3,000-domain sample of Quantcast Measure users that also run each.