JavaScript libraries; Performance
Who left InstantClick, and who still runs it
167 websites in the top 1M run InstantClick, observed directly from the rendered page in the July 2026 crawl.
26
stopped running it that month
2
of those are 11–500 employees
23
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running InstantClick
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
jQuery 97%Open Graph 96%Cloudflare 95%core-js 93%HTTP/3 93%HSTS 91%Priority Hints 91%Cart Functionality 90%Google Analytics 90%Shopify 87%
Share of a 167-domain sample of InstantClick users that also run each.