Skip to main content
Deno 2 is finally here 🎉️
Learn more
->
Dismiss
Products
Open Source
Deno
Modern runtime for JavaScript and TypeScript
Fresh
Web framework designed for the edge
JSR
TypeScript-first ESM package registry
Commercial
Deno for Enterprise
Enterprise support for runtime projects
Deploy
Easy serverless hosting for your JavaScript projects
Subhosting
Securely run untrusted code in a scalable sandbox
Docs
Modules
Standard Library
JSR
Node.js & npm
deno.land/x
Community
Discord
GitHub
X
YouTube
Mastodon
Blog
Search…
⌘K
Blog
Product Update
Partnerships
How To
JSR
Deno Deploy
Engineering
Performance
Announcements
Subhosting
Deno in Production
Deno KV
Fresh
Astro
July 25, 2024
Engineering
Performance
Benchmarking AWS Lambda Cold Starts Across JavaScript Runtimes
When running production JavaScript in the cloud, performance is a critical consideration. Here’s how Deno’s cold start times compare against other JavaScript runtimes on AWS Lambda.
June 20, 2024
Engineering
Performance
How We Made the Deno Language Server Ten Times Faster
When a customer reported performance issues with the Deno language server, we began a performance investigation that resulted in reducing auto-completion times from 6-8 seconds to under one second in large codebases. This is how we did it.