Buy now pay later; Payment processors
Who left Klarna Checkout, and who still runs it
7,501 websites in the top 1M run Klarna Checkout, observed directly from the rendered page in the July 2026 crawl.
1,111
stopped running it that month
47
of those are 11–500 employees
4,397
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Klarna Checkout
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
HSTS 92%Cloudflare 91%Open Graph 91%Cart Functionality 89%core-js 88%Google Analytics 85%Priority Hints 85%HTTP/3 84%PayPal 80%Shopify 75%
Share of a 3,000-domain sample of Klarna Checkout users that also run each.