In addition, some requests are more important that others.

`/assets/app_bundle.js` failing will most likely be visible immediately and make everything else useless, unless you've been clever and only used JS for upgrading website/app experience, rather than replacing

`/metrics/user-activity` failing won't (shouldn't) have any impact on the user experience

`/stripe/payment-succeeded-callback` failing could have disastrous impacts on the user, but not immediately be visible when it's failing.