Does GTmetrix use Stripe?
Yes
We hold strong evidence for this.
- The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
How we know
About GTmetrix
GTmetrix tests website performance and shows how to optimize page load. It serves developers, marketers, agencies, small businesses, and enterprises.
Summarized from its homepage on 3 Nov 2026.
What else GTmetrix uses
GTmetrix has evidence for 16 vendors. The strongest:
Mixpanel
Recurly
Wingify
PayPal
Twilio
Zendesk
Cloudflare
Google Tag Manager
Other companies using Stripe
Check any company's vendors in seconds
See GTmetrix's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call