Content curation; Reviews
Who left Letro, and who still runs it
82 websites in the top 1M run Letro, observed directly from the rendered page in the July 2026 crawl.
7
stopped running it that month
1
of those are 11–500 employees
17
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Letro
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 99%Google Tag Manager 98%core-js 91%Facebook Pixel 90%jQuery 87%Open Graph 82%Cloudflare 71%Cart Functionality 68%Microsoft Clarity 67%Amazon Web Services 66%
Share of a 82-domain sample of Letro users that also run each.