[quelltext]

> Unless I am mistaken, putting it on every page is not even suggested by Stripe.

https://stripe.com/docs/js/including

> Include the Stripe.js script on each page of your site—it should always be loaded directly from https://js.stripe.com, rather than included in a bundle or hosted yourself.

> To best leverage Stripe’s advanced fraud functionality, include this script on every page, not just the checkout page. This allows Stripe to detect suspicious behavior that may be indicative of fraud as customers browse your website.

[nulbyte]

Oh wow. I stand corrected. They should really nix that; well intended, I'm sure, but fairly egregious.