We publish a substitute list only where a record says what kind of product it is. CORS-Tester's does not yet, so this page names none. The Testing category lists every offer we track alongside it.
Current CORS-Tester Situation
Risk Level:source unconfirmed
Why: The page we cite for CORS-Tester states no amount, tier or rate we can read when we last looked, on 2026-10-11. We are not publishing a stability judgement for it until that is fixed.