
CORS Preflight: The Hidden 100-300ms Latency Tax
Your app is 100-300ms slower than it needs to be. CORS preflight requests add invisible round trips that double your API latency. Here's how to fix it.
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Your app is 100-300ms slower than it needs to be. CORS preflight requests add invisible round trips that double your API latency. Here's how to fix it.

As a developer, one of the challenges we often face is provisioning and renewing SSL certificates for domains. For some of our SaaS project we need to provision SSL for our clients domains.
About fifteen questions, five minutes — Shyam writes it himself, free.