3 ms·

lots of free tiers have slow start up times when an app has been idle (eg: heroku and render) Not 100% sure if this is what is causing that on Vercel, but see

• evantbyrne 3y ago
  People definitely get what they pay for. Heroku was and still is notoriously slow, charging a massive premium for convenience. I'm obviously biased because I built a CD service for AWS, but I strongly believe that when a hosting service doesn't advertise what hardware resources you are actually getting, it's a trap.
• re-thc 3y ago
  It's backed by lambda that has cold start. Don't think that part has to do with free tiers.