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Cold starts and lack of mitigation support

7/10 High

Serverless cold starts are a major performance pain point on Vercel. Documentation suggests using Edge, but Edge functions don't support Node.js APIs, making them impractical for most use cases, and support for cold start mitigation is severely lacking.

VercelserverlessEdge Functions
Category
performance
Workaround
hack
Stage
deploy
Freshness
persistent
Scope
single_lib
Upstream
open
Recurring
Yes
Buyer Type
team
Maintainer
slow

Sources

Collection History

Query: “What are the most common pain points with Vercel for developers in 2025?”3/30/2026

Additionally, serverless cold starts are a huge pain. And support for it is severely lacking. The documentation suggests some basics, and to use edge. But edge is hardly useful and highly situational as it does not support node apis.

Created: 3/30/2026Updated: 3/30/2026